:Issued: 1997 Jan 01 1333 UT STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. WARMING OVER THE EAST COAST OF NORTHERN AMERICA CONTINUES, SPREADING TOWARDS THE ATLANTIC OCEAN. :Issued: 1997 Jan 02 1303 UT STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. A LARGE WARM REGION COVERS THE ATLANTIC OCEAN, REACHING FROM THE EAST COAST OF NORTHERN AMERICA TO THE WEST COAST OF EUROPE. :Issued: 1997 Jan 05 0003 UT Magnetic K-Index of 4 Observed from 4 Jan 1997 18:00 to 4 Jan 1997 21:00 UT Comment: Test message. Please ignore. Test message. :Issued: 1997 Jan 06 1333 UT STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. THE WARM REGION OVER THE ATLANTIC OCEAN AND WESTERN EUROPE AND THE WARMING OVER THE ALEUTIAN AREA CONTINUES. :Issued: 1997 Jan 07 1403 UT STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. THE WARM AIR OVER THE MEDITERRANEAN AREA MOVES FURTHER EASTWARDS, WHILE THE WARM AIR OVER THE ALEUTIAN AREA MOVES WESTWARDS TODAY. :Issued: 1997 Jan 09 1133 UT STRATWARM ALERT/THURSDAY/STRATWARM NIL. GEOALERT HAS ENDED. :Issued: 1997 Jan 10 0633 UT Magnetic K-Index of 4 Observed from 10 Jan 1997 03:00 to 10 Jan 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THROUGH 10 JAN 97 1500UT. :Issued: 1997 Jan 10 0933 UT Magnetic K-Index of 5 Observed from 10 Jan 1997 06:00 to 10 Jan 1997 09:00 UT Comment: ADDITIONAL Ks OF 5 ARE POSSIBLE THROUGH 10 JAN 97 1500 UT :Issued: 1997 Jan 10 1203 UT Magnetic K-Index of 6 Observed from 10 Jan 1997 09:00 to 10 Jan 1997 12:00 UT Comment: None :Issued: 1997 Jan 10 1733 UT Magnetic A-Index >=20 Observed 10 Jan 1997 15:00 UT Comment: None :Issued: 1997 Jan 11 0333 UT Magnetic K-Index of 4 Observed from 11 Jan 1997 00:00 to 11 Jan 1997 03:00 UT Comment: Additional K's of 4 are possible through 11 Jan 97 1500ut. :Issued: 1997 Jan 12 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 12 Jan 1997 00:08 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 11 JAN 97 :Issued: 1997 Jan 12 0903 UT Magnetic K-Index of 4 Observed from 12 Jan 1997 06:00 to 12 Jan 1997 09:00 UT Comment: K's OF 4 POSSIBLE THRU 12 JAN 1500UT :Issued: 1997 Jan 13 0033 UT Electron Event >=1000pfu @>=2MeV BEG 13 Jan 1997 00:06 UT Comment: ELECTRONS EXCEEDED TRESHOLD AGAIN ON 12 JAN 97 :Issued: 1997 Jan 14 0033 UT Electron Event >=1000pfu @>=2MeV BEG 14 Jan 1997 00:08 UT Comment: ELECTRONS EXCEEDED TRESHOLD AGAIN ON 13 JAN 97 :Issued: 1997 Jan 15 0033 UT Electron Event >=1000pfu @>=2MeV BEG 15 Jan 1997 00:09 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 14 JAN 97 :Issued: 1997 Jan 16 0033 UT Electron Event >=1000pfu @>=2MeV BEG 16 Jan 1997 00:09 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 15 JAN 97 :Issued: 1997 Jan 17 0033 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jan 1997 00:19 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 16 JAN 97 :Issued: 1997 Jan 18 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 17 Jan 2019 00:00 UT Comment: :Issued: 1997 Jan 26 2133 UT Magnetic K-Index of 4 Observed from 26 Jan 1997 18:00 to 26 Jan 1997 21:00 UT Comment: None :Issued: 1997 Jan 27 0033 UT Magnetic K-Index of 4 Observed from 26 Jan 1997 21:00 to 26 Jan 1997 23:59 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200UT ON 27 JAN 97 :Issued: 1997 Jan 27 1803 UT Electron Event >=1000pfu @>=2MeV BEG 27 Jan 1997 17:25 UT Comment: None :Issued: 1997 Jan 28 0633 UT Magnetic K-Index of 4 Observed from 28 Jan 1997 03:00 to 28 Jan 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200UT ON 28 JAN 97 :Issued: 1997 Jan 29 0033 UT Electron Event >=1000pfu @>=2MeV BEG 29 Jan 1997 00:01 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 28 JAN 97 :Issued: 1997 Jan 29 0033 UT Magnetic K-Index of 4 Observed from 28 Jan 1997 21:00 to 28 Jan 1997 23:59 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200 UT ON 29 JAN 97 :Issued: 1997 Jan 30 0033 UT Electron Event >=1000pfu @>=2MeV BEG 30 Jan 1997 00:12 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 29 JAN 97 :Issued: 1997 Jan 31 0033 UT Electron Event >=1000pfu @>=2MeV BEG 31 Jan 1997 00:07 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 30 JAN 97 :Issued: 1997 Feb 01 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 31 Jan 1997 00:00 UT Comment: >2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 31 JAN 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Feb 02 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 27 Jan 1997 17:25 UT Comment: >2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 31 JAN 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Feb 02 1233 UT Stratwarm Alert EXISTS Stratwarm Sunday Comment: A LARGE WARM REGION EXISTS FROM THE NORTHEASTERN PART OF THE U.S ACROSS THE NORTH ATLANTIC AND SCANDINAVIA TO NORTHEASTERN EUROPE WITH A TEMPERATURE INCREASE OF MORE THAN 30 DGS CELSIUS SOUTH OF ICELAND AND OVER NORTHEASTERN EUROPE AT 10 HPA SINCE LAST WEEK. THE COLDEST AIR EXISTS OVER THE CANADIAN ARCTIC. :Issued: 1997 Feb 03 0033 UT Electron Event >=1000pfu @>=2MeV BEG 3 Feb 1997 00:07 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 02 FEB 97 :Issued: 1997 Feb 03 1333 UT Stratwarm Alert EXISTS Stratwarm Monday Comment: A LARGE WARM REGION EXISTS FROM NORTHWESTERN EUROPE ACROSS NORTHERN AND EASTERN EUROPE TO WESTERN AND CENTRAL SIBERIA. WARM AIR IS SPREADING EASTWARDS. :Issued: 1997 Feb 03 1503 UT Stratwarm Alert EXISTS Stratwarm Monday Comment: TEST. TEST. TEST. PLEASE IGNORE :Issued: 1997 Feb 04 0033 UT Electron Event >=1000pfu @>=2MeV BEG 4 Feb 1997 00:10 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 03 FEB 97 :Issued: 1997 Feb 04 1433 UT Stratwarm Alert EXISTS Stratwarm Tuesday Comment: A LARGE WARM REGION EXISTS FROM NORTHEASTERN EUROPE TO CENTRAL SIBERIA. WARM AIR SPREADING EASTWARDS. :Issued: 1997 Feb 05 0033 UT Electron Event >=1000pfu @>=2MeV BEG 5 Feb 1997 00:06 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 04 FEB 97 :Issued: 1997 Feb 05 1333 UT Stratwarm Alert EXISTS Stratwarm Wednesday Comment: A LARGE REGION OF WEAKENING WARMING EXISTS FROM THE CASPIAN SEA ACROSS CENTRAL SIBERIA TO EASTERN SIBERIA. WARM AIR OVER EASTERN SIBERIA SPREADING NORTHWARDS TODAY :Issued: 1997 Feb 06 0503 UT Sudden Impulse observed at Boulder 6 Feb 1997 04:20 UT16 Gammas Comment: CORRECTED ALERT:::::0320 UT ON PREVIOUS ALERT WAS INCORRECT :Issued: 1997 Feb 06 0503 UT Sudden Impulse observed at Boulder 6 Feb 1997 03:20 UT16 Gammas Comment: None :Issued: 1997 Feb 06 0633 UT Magnetic K-Index of 4 Observed from 6 Feb 1997 03:00 to 6 Feb 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 6 FEB 97 :Issued: 1997 Feb 06 1333 UT Stratwarm Alert EXISTS Stratwarm Thursday Comment: A LARGE REGION OF WEAKENING WARMING FROM THE CASPIAN SEA ACROSS SOUTHERN SIBERIA TO EASERN SIBERIA. WARM AIR OVER EASTERN SIBERIA SPREADING NORTHEASTWARDS. A NEW WARM AREA EXIST OVER THE NORTH ATLANTIC BETWEEN NEWFOUNDLAND AND GREAT BRITAIN, TODAY. :Issued: 1997 Feb 06 1333 UT Stratwarm Alert EXISTS Stratwarm Thursday Comment: A LARGE REGION OF WEAKENING WARMING CONTINES FROM THE CASPIAN SEA ACROSS SOUTHERN SIBERIA TO EASTERN SIBERIA. WARM AIR OVER EASTERN SIBERIA SPREADING NORTHEASTWARDS. A NEW WARM AREA EXISTS OVER THE NORTH ATLANTIC BETWEEN NEWFOUNDLAND AND GREAT BRITAIN TODAY. :Issued: 1997 Feb 07 1403 UT Stratwarm Alert EXISTS Stratwarm Friday Comment: ONE WARMING OVER SOUTHWESTERN EUROPE AND THE OTHER LARGE WARM REGION FURTHER OVER EASTERN EUROPE ACROSS CENTRAL SIBERIA TO EASTERN SIBERIA. DISTURBED CONDITIONS IN THE UPPER STRATOSPHERE RESULTING IN A REVERSED RADIANCE GRADIENT BETWEEN 60N AND THE POLE AT 1, 4 HPA. :Issued: 1997 Feb 08 1503 UT Magnetic K-Index of 6 Observed from 8 Feb 1997 12:00 to 8 Feb 1997 15:00 UT Comment: None :Issued: 1997 Feb 09 1833 UT Magnetic K-Index of 4 Observed from 9 Feb 1997 15:00 to 9 Feb 1997 18:00 UT Comment: None :Issued: 1997 Feb 09 2133 UT Magnetic K-Index of 4 Observed from 9 Feb 1997 18:00 to 9 Feb 1997 21:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 10 FEB 97. :Issued: 1997 Feb 10 0633 UT Magnetic K-Index of 5 Observed from 10 Feb 1997 03:00 to 10 Feb 1997 06:00 UT Comment: None :Issued: 1997 Feb 10 0703 UT Magnetic A-Index >=20 Observed 10 Feb 1997 06:00 UT Comment: None :Issued: 1997 Feb 10 1203 UT Electron Event >=1000pfu @>=2MeV BEG 10 Feb 1997 09:46 UT Comment: None :Issued: 1997 Feb 10 2133 UT Magnetic K-Index of 4 Observed from 10 Feb 1997 18:00 to 10 Feb 1997 21:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800UT ON 11 FEB 97 :Issued: 1997 Feb 10 2133 UT Magnetic K-Index of 4 Observed from 10 Feb 1997 18:00 to 10 Feb 1997 21:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800UT ON 11 FEB 97 :Issued: 1997 Feb 10 2133 UT Magnetic K-Index of 4 Observed from 10 Feb 1997 18:00 to 10 Feb 1997 21:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800UT ON 11 FEB 97 :Issued: 1997 Feb 10 2133 UT Magnetic K-Index of 4 Observed from 10 Feb 1997 18:00 to 10 Feb 1997 21:00 UT Comment: A ADDITIONAL K'S OF 4 POSSIBLE THRU 1800UT ON 11 FEB 97. :Issued: 1997 Feb 12 0033 UT Electron Event >=1000pfu @>=2MeV BEG 12 Feb 1997 00:08 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 11 FEB 97 :Issued: 1997 Feb 12 0603 UT Magnetic K-Index of 4 Observed from 12 Feb 1997 03:00 to 12 Feb 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800UT ON 12 FEB 97 :Issued: 1997 Feb 13 0033 UT Electron Event >=1000pfu @>=2MeV BEG 13 Feb 1997 00:08 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 12 FEB 97 :Issued: 1997 Feb 14 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 13 Feb 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 13 FEB 97 :Issued: 1997 Feb 15 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 14 Feb 1997 23:59 UT Comment: :Issued: 1997 Feb 16 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 5 Feb 1997 23:59 UT Comment: This alert will be updated each day threshold is exceeded. :Issued: 1997 Feb 17 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 16 Feb 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 16 FEB 97 :Issued: 1997 Feb 17 0933 UT Magnetic K-Index of 6 Observed from 17 Feb 1997 06:00 to 17 Feb 1997 09:00 UT Comment: None :Issued: 1997 Feb 17 1233 UT Magnetic K-Index of 4 Observed from 17 Feb 1997 09:00 to 17 Feb 1997 12:00 UT Comment: None :Issued: 1997 Feb 21 1203 UT Magnetic K-Index of 4 Observed from 21 Feb 1997 09:00 to 21 Feb 1997 12:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THROUGH 21 FEB 1997 1500 UT :Issued: 1997 Feb 26 1503 UT Magnetic K-Index of 4 Observed from 26 Feb 1997 12:00 to 26 Feb 1997 15:00 UT Comment: None :Issued: 1997 Feb 27 1833 UT Magnetic K-Index of 4 Observed from 27 Feb 1997 15:00 to 27 Feb 1997 18:00 UT Comment: None :Issued: 1997 Feb 28 0003 UT Magnetic K-Index of 5 Observed from 27 Feb 1997 21:00 to 27 Feb 1997 23:59 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1500UT ON 28 FEB 97 :Issued: 1997 Feb 28 0303 UT Magnetic K-Index of 5 Observed from 27 Feb 1997 21:00 to 28 Feb 1997 00:00 UT TEST - Please Ignore Comment: None :Issued: 1997 Feb 28 0303 UT Magnetic A-Index >=20 Observed 28 Feb 1997 03:00 UT Comment: None :Issued: 1997 Feb 28 0633 UT Magnetic A-Index >=30 Observed 28 Feb 1997 06:00 UT Comment: None :Issued: 1997 Feb 28 0633 UT Magnetic K-Index of 6 Observed from 28 Feb 1997 03:00 to 28 Feb 1997 06:00 UT Comment: None :Issued: 1997 Feb 28 1403 UT Electron Event >=1000pfu @>=2MeV BEG 28 Feb 1997 13:56 UT Comment: None :Issued: 1997 Mar 02 0003 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 28 Feb 1997 13:56 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 01 MAR 97. ADDITIONAL UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Mar 02 0603 UT Magnetic K-Index of 4 Observed from 2 Mar 1997 03:00 to 2 Mar 1997 06:00 UT Comment: ADDITIONAL K = 4 POSSIBLE THROUGH 02/1500UT :Issued: 1997 Mar 03 0003 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 2 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 02 MAR 97 :Issued: 1997 Mar 04 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 3 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 03 MAR 97 :Issued: 1997 Mar 05 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 4 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 04 MAR 97 :Issued: 1997 Mar 06 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 5 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 05 MAR 97 :Issued: 1997 Mar 07 1610 UT 245MHz Radio Burst 140 F.U. 6 Mar 1997 05:35 UT Duration 1 Minutes Comment: None :Issued: 1997 Mar 07 1610 UT 245MHz Radio Burst 120 F.U. 6 Mar 1997 00:48 UT Duration 1 Minutes Comment: None :Issued: 1997 Mar 12 0633 UT Magnetic K-Index of 4 Observed from 12 Mar 1997 03:00 to 12 Mar 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 12 MAR 97 :Issued: 1997 Mar 13 2203 UT Electron Event >=1000pfu @>=2MeV BEG 13 Mar 1997 20:16 UT Comment: None :Issued: 1997 Mar 15 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 14 Mar 1997 23:59 UT Comment: Update alert will be issued each day event continues. :Issued: 1997 Mar 26 1233 UT Magnetic K-Index of 4 Observed from 26 Mar 1997 09:00 to 26 Mar 1997 12:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THROUGH 27 MAR 97 1800UT. :Issued: 1997 Mar 27 0133 UT Electron Event >=1000pfu @>=2MeV BEG 27 Mar 1997 01:00 UT Comment: ELECTRONS EXCEEDED TRESHOLD AT 00:15 UT ON 27 MAR 97 :Issued: 1997 Mar 28 1803 UT Magnetic K-Index of 4 Observed from 28 Mar 1997 15:00 to 28 Mar 1997 18:00 UT Comment: None :Issued: 1997 Mar 28 2133 UT Magnetic K-Index of 4 Observed from 28 Mar 1997 18:00 to 28 Mar 1997 21:00 UT Comment: Additional K's of 4 are possible thru 1200ut on 29 March 97 :Issued: 1997 Mar 29 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 27 Mar 1997 01:00 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 28 MAR 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Mar 30 0003 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 27 Mar 1997 01:00 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 29 MAR 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Mar 30 0703 UT Magnetic K-Index of 4 Observed from 30 Mar 1997 03:00 to 30 Mar 1997 06:00 UT Comment: ADDITIONAL K = 4 POSSIBLE THROUGH 30/1200UT MAR 97 :Issued: 1997 Mar 31 0133 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 30 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 30 MAR 97 :Issued: 1997 Mar 31 0133 UT 245MHz Radio Burst 340 F.U. 30 Mar 1997 09:49 UT Duration 1 Minutes Comment: None :Issued: 1997 Mar 31 0133 UT 245MHz Radio Burst 100 F.U. 30 Mar 1997 19:04 UT Duration 1 Minutes Comment: None :Issued: 1997 Mar 31 0203 UT 245MHz Radio Burst 140 F.U. 30 Mar 1997 22:39 UT Duration 1 Minutes Comment: None :Issued: 1997 Mar 31 0203 UT 245MHz Radio Burst 410 F.U. 30 Mar 1997 22:54 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 01 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 31 Mar 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 31 MAR 97 :Issued: 1997 Apr 02 0033 UT 245MHz Radio Burst 150 F.U. 2 Apr 1997 00:13 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 02 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 1 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD ON 01 APR 97 :Issued: 1997 Apr 02 0203 UT 245MHz Radio Burst 320 F.U. 1 Apr 1997 05:10 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 02 0203 UT 245MHz Radio Burst 150 F.U. 1 Apr 1997 00:13 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 02 0203 UT 245MHz Radio Burst 120 F.U. 1 Apr 1997 07:49 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 02 0233 UT 245MHz Radio Burst 340 F.U. 1 Apr 1997 14:46 UT Duration 8 Minutes Comment: None :Issued: 1997 Apr 02 0233 UT 245MHz Radio Burst 400 F.U. 1 Apr 1997 20:38 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 02 0233 UT 245MHz Radio Burst 180 F.U. 1 Apr 1997 15:19 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 02 0233 UT 245MHz Radio Burst 140 F.U. 1 Apr 1997 19:31 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 02 0303 UT 245MHz Radio Burst 140 F.U. 1 Apr 1997 21:16 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 02 1533 UT Type II Radio Emission 2 Apr 1997 05:27 UT Comment: None :Issued: 1997 Apr 03 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 2 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD ON 02 APR 97 :Issued: 1997 Apr 03 0103 UT 245MHz Radio Burst 180 F.U. 2 Apr 1997 05:51 UT Duration 3 Minutes Comment: None :Issued: 1997 Apr 03 0103 UT 245MHz Radio Burst 110 F.U. 2 Apr 1997 00:38 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 03 0633 UT Magnetic K-Index of 4 Observed from 3 Apr 1997 03:00 to 3 Apr 1997 06:00 UT Comment: Additional K's of 4 possible thru 1500UT on 4 Apr 97 :Issued: 1997 Apr 04 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 3 Apr 1997 23:59 UT Comment: None :Issued: 1997 Apr 05 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 4 Apr 1997 23:59 UT Comment: None :Issued: 1997 Apr 05 0603 UT Magnetic K-Index of 4 Observed from 5 Apr 1997 03:00 to 5 Apr 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THRU 1500UT ON 5 APR 97 :Issued: 1997 Apr 06 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 5 Apr 1997 23:59 UT Comment: None :Issued: 1997 Apr 06 0903 UT Magnetic K-Index of 4 Observed from 6 Apr 1997 06:00 to 6 Apr 1997 09:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 06 APRIL 1500 UT :Issued: 1997 Apr 07 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 6 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 06 APR 97 :Issued: 1997 Apr 07 1433 UT Type II Radio Emission 7 Apr 1997 13:58 UT Comment: ESTIMATED SHOCK SPEED FROM SAN VITO AND SAGAMORE SOLAR OBERVATORIES WAS AVERAGED AT 800 KM/SEC + OR - 200 KM/SEC. SHOCK SPEED WAS DETERMINED BY USING THE IPS NOMOGRAM. :Issued: 1997 Apr 07 1503 UT 2695MHz Radio Burst 220 F.U. 7 Apr 1997 13:56 UT Duration 23 Minutes Comment: Derived Background Level is 73_ F.U. :Issued: 1997 Apr 07 1703 UT Type IV Radio Emission 7 Apr 1997 14:04 UT Comment: None :Issued: 1997 Apr 08 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 7 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 07 APR 97 :Issued: 1997 Apr 08 2033 UT Magnetic A-Index >=20 Watch for 11 Apr 1997 UT Comment: None :Issued: 1997 Apr 09 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 8 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 08 APR 97 :Issued: 1997 Apr 10 0033 UT Electron Event in Progress >=1000pfu @>=2MeV BEG 9 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED TRESHOLD ON 09 APR 97 :Issued: 1997 Apr 10 2133 UT Magnetic A-Index >=20 Watch for 12 Apr 1997 UT Comment: None :Issued: 1997 Apr 11 0003 UT Magnetic K-Index of 4 Observed from 10 Apr 1997 21:00 to 10 Apr 1997 23:59 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 12 APR 97 :Issued: 1997 Apr 11 0333 UT Magnetic K-Index of 6 Observed from 11 Apr 1997 00:00 to 11 Apr 1997 03:00 UT Comment: NONE :Issued: 1997 Apr 11 0433 UT Magnetic A-Index >=20 Observed 11 Apr 1997 03:00 UT Comment: None :Issued: 1997 Apr 11 0603 UT Magnetic A-Index >=30 Observed 11 Apr 1997 06:00 UT Comment: None :Issued: 1997 Apr 11 0603 UT Magnetic K-Index of 6 Observed from 11 Apr 1997 03:00 to 11 Apr 1997 06:00 UT Comment: MAGNETIC K-INDEX OF 7 OBSERVED ON 11 APR 97 BETWEEN 0300-0600UT ADDITIONAL K'S OF 5 POSSIBLE THRU 1500UT ON 11 APR 97 :Issued: 1997 Apr 14 0033 UT 245MHz Radio Burst 170 F.U. 13 Apr 1997 20:39 UT Duration 2 Minutes Comment: None :Issued: 1997 Apr 14 0033 UT 245MHz Radio Burst 200 F.U. 13 Apr 1997 21:42 UT Duration 1 Minutes Comment: None :Issued: 1997 Apr 14 0033 UT 245MHz Radio Noise Storm BEG 13 Apr 1997 11:35 END 13 Apr 1997 12:41 Comment: Derived Background Level is _150_ F.U. :Issued: 1997 Apr 15 1603 UT Type II Radio Emission 15 Apr 1997 14:16 UT Comment: SHOCK VELOCITY EST. 900 - 1000 KM/SEC :Issued: 1997 Apr 16 0033 UT 245MHz Radio Burst 670 F.U. 15 Apr 1997 06:39 UT Duration 3 Minutes Comment: None :Issued: 1997 Apr 16 0033 UT 245MHz Radio Burst 1000 F.U. 15 Apr 1997 06:50 UT Duration 4 Minutes Comment: None :Issued: 1997 Apr 17 0303 UT Magnetic K-Index of 5 Observed from 17 Apr 1997 00:00 to 17 Apr 1997 03:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1200 UT ON 17 APR 97 :Issued: 1997 Apr 17 0633 UT Magnetic A-Index >=20 Observed 17 Apr 1997 06:00 UT Comment: None :Issued: 1997 Apr 17 0933 UT Magnetic K-Index of 4 Observed from 17 Apr 1997 06:00 to 17 Apr 1997 09:00 UT Comment: Additional K's of 4 are possible thur 17 Apr 97 1200UT. :Issued: 1997 Apr 18 0733 UT Electron Event >=1000pfu @>=2MeV BEG 18 Apr 1997 07:12 UT Comment: None :Issued: 1997 Apr 18 1533 UT Magnetic A-Index >=20 Observed 18 Apr 1997 15:00 UT Comment: None :Issued: 1997 Apr 20 0133 UT Electron Event >=1000pfu @>=2MeV BEG 18 Apr 1997 07:12 UT (Continued at 20 Apr 1997 01:22 UT) Comment: :Issued: 1997 Apr 21 0033 UT Electron Event in Progress >=1000pfu @>=2MeV at 20 Apr 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD ON 20 APR 97 :Issued: 1997 Apr 21 1833 UT Magnetic K-Index of 4 Observed from 21 Apr 1997 15:00 to 21 Apr 1997 18:00 UT Comment: None :Issued: 1997 Apr 22 0003 UT Electron Event >=1000pfu @>=2MeV BEG 18 Apr 1997 07:12 UT (Continued at 21 Apr 1997 22:41 UT) Comment: :Issued: 1997 Apr 22 1033 UT Magnetic A-Index >=20 Observed 22 Apr 1997 09:00 UT Comment: None :Issued: 1997 Apr 24 0333 UT Magnetic K-Index of 4 Observed from 24 Apr 1997 00:00 to 24 Apr 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 24 APR 97 :Issued: 1997 May 01 1833 UT Magnetic K-Index of 4 Observed from 1 May 1997 15:00 to 1 May 1997 18:00 UT Comment: Additional K=4 possible thru 02/1800UT May 97. :Issued: 1997 May 02 0003 UT Magnetic K-Index of 5 Observed from 1 May 1997 21:00 to 2 May 1997 00:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1500UT ON 02 MAY 97 :Issued: 1997 May 02 0333 UT Magnetic A-Index >=20 Observed 2 May 1997 03:06 UT Comment: None :Issued: 1997 May 02 1703 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1997 16:24 UT Comment: None :Issued: 1997 May 05 0033 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1997 16:24 UT (Continued at 5 May 1997 00:08 UT) Comment: None :Issued: 1997 May 06 0033 UT Electron Event in Progress >=1000pfu @>=2MeV at 6 May 1997 00:11 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 05 MAY 97 :Issued: 1997 May 07 0033 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1997 16:24 UT (Continued at 7 May 1997 00:12 UT) Comment: None :Issued: 1997 May 08 0033 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1997 16:24 UT (Continued at 8 May 1997 00:07 UT) Comment: None :Issued: 1997 May 09 1546 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1997 16:24 UT (Continued at 9 May 1997 00:10 UT) Comment: None :Issued: 1997 May 10 0025 UT Electron Event in Progress >=1000pfu @>=2MeV at 2 May 1997 16:24 UT Comment: None :Issued: 1997 May 10 0102 UT Electron Event in Progress >=1000pfu @>=2MeV at 6 May 1997 16:24 UT Comment: This is a correction and reissue of the previous issed alert. (Continued at 10 May 00:55 ut) :Issued: 1997 May 12 0520 UT Type II Radio Emission 12 May 1997 05:16 UT Comment: TYPE II RADIO EMISSION 12/0454 UT IPS SHOCK SPEED 1400 KM/SEC +/- 200 KM/SEC. :Issued: 1997 May 12 0549 UT Type IV Radio Emission 12 May 1997 05:03 UT Comment: None :Issued: 1997 May 12 1933 UT Magnetic A-Index >=20 Watch for 15 May 1997 UT Comment: None :Issued: 1997 May 14 0016 UT 245MHz Radio Burst 120 F.U. 14 May 1997 05:35 UT Duration 1 Minutes Comment: None :Issued: 1997 May 15 0905 UT Magnetic K-Index of 4 Observed from 15 May 1997 06:00 to 15 May 1997 09:00 UT Comment: Additional K's of 4 are possible through 16 May 97 1500ut. :Issued: 1997 May 15 1208 UT Magnetic K-Index of 6 Observed from 15 May 1997 09:00 to 15 May 1997 12:00 UT Comment: Additional K's of 6 possible through 15 May 97 1500 UT. :Issued: 1997 May 15 1454 UT Magnetic A-Index >=20 Observed 15 May 1997 15:00 UT Comment: None :Issued: 1997 May 15 1804 UT Magnetic A-Index >=30 Observed 15 May 1997 18:00 UT Comment: None :Issued: 1997 May 16 1912 UT Electron Event >=1000pfu @>=2MeV BEG 16 May 1997 16:46 UT Comment: None :Issued: 1997 May 18 2129 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1997 21:29 UT Comment: None :Issued: 1997 May 18 2130 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1997 21:29 UT (Cancelled at 18 May 1997 21:30 UT) Comment: None :Issued: 1997 May 18 2131 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1997 17:50 UT Comment: None :Issued: 1997 May 21 0013 UT Electron Event in Progress >=1000pfu @>=2MeV at 18 May 1997 17:50 UT Comment: CONTINUED AT 21 MAY 97 0000UT. :Issued: 1997 May 21 0016 UT Electron Event in Progress >=1000pfu @>=2MeV at 18 May 1997 17:50 UT Comment: CONTINUED AT 21 MAY 97 0000UT :Issued: 1997 May 21 2038 UT Type II Radio Emission 21 May 1997 20:10 UT Comment: ESTIMATED SHOCK SPEED 3000 KM/SEC. :Issued: 1997 May 21 2332 UT Type IV Radio Emission 21 May 1997 20:25 UT Comment: Duration 124 minutes. :Issued: 1997 May 22 0012 UT 245MHz Radio Burst 1000 F.U. 21 May 1997 20:09 UT Duration 60 Minutes Comment: None :Issued: 1997 May 22 0015 UT 245MHz Radio Noise Storm BEG 21 May 1997 06:45 END 21 May 1997 12:00 :Issued: 1997 May 22 0025 UT Electron Event in Progress >=1000pfu @>=2MeV at 21 May 1997 23:59 UT Comment: None :Issued: 1997 May 22 1747 UT Magnetic A-Index >=20 Watch for 24 May 1997 UT Comment: None :Issued: 1997 May 22 2356 UT 245MHz Radio Burst 120 F.U. 22 May 1997 16:07 UT Duration 1 Minutes Comment: None :Issued: 1997 May 23 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 22 May 1997 23:59 UT Comment: None :Issued: 1997 May 26 1048 UT Sudden Impulse observed at Boulder 26 May 1997 10:00 UT13 Gammas Comment: None :Issued: 1997 May 27 0604 UT Magnetic K-Index of 6 Observed from 27 May 1997 03:00 to 27 May 1997 06:00 UT Comment: ADDITIONAL K=5 POSSIBLE THRU 1200 UT ON 27 MAY 1997. :Issued: 1997 May 27 0911 UT Magnetic A-Index >=20 Observed 27 May 1997 09:10 UT Comment: None :Issued: 1997 Jun 01 2056 UT Magnetic A-Index >=20 Watch for 4 Jun 1997 UT Comment: None :Issued: 1997 Jun 03 0903 UT Magnetic K-Index of 4 Observed from 3 Jun 1997 06:00 to 3 Jun 1997 09:00 UT Comment: None :Issued: 1997 Jun 05 1719 UT Electron Event >=1000pfu @>=2MeV BEG 5 Jun 1997 16:44 UT Comment: CURRENT ELECTRON FLUX VALUES ARE 1.0E+03 :Issued: 1997 Jun 07 0034 UT Electron Event in Progress >=1000pfu @>=2MeV at 6 Jun 1997 23:59 UT Comment: None :Issued: 1997 Jun 09 0308 UT Magnetic K-Index of 5 Observed from 9 Jun 1997 00:00 to 9 Jun 1997 03:00 UT Comment: None :Issued: 1997 Jun 09 0605 UT Magnetic K-Index of 5 Observed from 9 Jun 1997 03:00 to 9 Jun 1997 06:00 UT Comment: ADDITIONAL K-INDEX = 5 POSSIBLE THRU 1800 UT ON 9 JUN 97. :Issued: 1997 Jun 09 0901 UT Magnetic A-Index >=20 Observed 9 Jun 1997 09:01 UT Comment: None :Issued: 1997 Jun 09 1821 UT Electron Event >=1000pfu @>=2MeV BEG 9 Jun 1997 18:16 UT Comment: None :Issued: 1997 Jun 12 1832 UT Electron Event >=1000pfu @>=2MeV BEG 12 Jun 1997 17:47 UT Comment: None :Issued: 1997 Jun 14 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 12 Jun 1997 17:47 UT Comment: None :Issued: 1997 Jun 15 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 14 Jun 1997 23:59 UT Comment: ELECTRON EVENT BEG 12 JUN 1997 :Issued: 1997 Jun 16 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Jun 1997 23:59 UT Comment: None :Issued: 1997 Jun 22 0601 UT Magnetic K-Index of 4 Observed from 22 Jun 1997 03:00 to 22 Jun 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 EXPECTED THRU JUNE 22/1500 UT. :Issued: 1997 Jun 27 1203 UT Magnetic K-Index of 4 Observed from 27 Jun 1997 09:00 to 27 Jun 1997 12:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 27 JUNE 1500 UT. :Issued: 1997 Jun 29 0304 UT Magnetic K-Index of 4 Observed from 29 Jun 1997 00:00 to 29 Jun 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THROUGH 29 JUNE 97 1500UT. :Issued: 1997 Jul 25 2055 UT Type II Radio Emission 25 Jul 1997 20:24 UT Comment: EST. SHOCK VELOCITY 0900 KM/SEC (+/- 0100). :Issued: 1997 Jul 25 2101 UT 245MHz Radio Burst 1600 F.U. 25 Jul 1997 20:18 UT Duration 26 Minutes Comment: None :Issued: 1997 Jul 25 2109 UT Type IV Radio Emission 25 Jul 1997 20:18 UT Comment: None :Issued: 1997 Jul 25 2118 UT 2695MHz Radio Burst 1600 F.U. 25 Jul 1997 20:18 UT Duration 26 Minutes Comment: Derived Background Level is 80 F.U. :Issued: 1997 Jul 25 2132 UT 245MHz Radio Burst 0380 F.U. 25 Jul 1997 20:18 UT Duration 29 Minutes Comment: None :Issued: 1997 Jul 26 0040 UT 245MHz Radio Noise Storm BEG 25 Jul 1997 06:39 END 25 Jul 1997 07:30 :Issued: 1997 Jul 27 1624 UT Magnetic A-Index >=20 Watch for 29 Jul 1997 UT Comment: None :Issued: 1997 Jul 27 1627 UT Magnetic A-Index >=20 Watch for 30 Jul 1997 UT Comment: None :Issued: 1997 Jul 31 0301 UT Magnetic K-Index of 5 Observed from 31 Jul 1997 00:00 to 31 Jul 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 31 JUL 97 :Issued: 1997 Jul 31 0607 UT Magnetic K-Index of 5 Observed from 31 Jul 1997 03:00 to 31 Jul 1997 06:00 UT Comment: None :Issued: 1997 Jul 31 1201 UT Magnetic A-Index >=20 Observed 31 Jul 1997 12:00 UT Comment: None :Issued: 1997 Aug 10 0859 UT Magnetic K-Index of 4 Observed from 10 Aug 1997 06:00 to 10 Aug 1997 09:00 UT Comment: None :Issued: 1997 Aug 11 0601 UT Magnetic K-Index of 4 Observed from 11 Aug 1997 03:00 to 11 Aug 1997 06:00 UT Comment: None :Issued: 1997 Aug 14 0601 UT Magnetic K-Index of 5 Observed from 14 Aug 1997 03:00 to 14 Aug 1997 06:00 UT Comment: Additional K-index of 5 possible thru 1200UT on 14 Aug 1997. :Issued: 1997 Aug 15 1359 UT Electron Event >=1000pfu @>=2MeV BEG 15 Aug 1997 12:59 UT Comment: None :Issued: 1997 Aug 15 1541 UT Electron Event >=1000pfu @>=2MeV BEG 15 Aug 1997 12:59 UT Comment: Retransmission of an existing Alert. Please ignore if you received the first alert. :Issued: 1997 Aug 15 1559 UT Electron Event >=1000pfu @>=2MeV BEG 15 Aug 1997 12:59 UT Comment: Reissue - Please ignore if previously received. :Issued: 1997 Aug 17 0007 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Aug 1997 12:59 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EVENT CONTINUES. THE FLUX WAS 1100 PFU AT 16/2359UT. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Aug 17 0123 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Aug 1997 12:59 UT Comment: THE GREATER THAN 2 MEV EVENT CONTINUES. THE GREATER THAN 2 MEV FLUX WAS 1100 PFU AT 16/2359UT. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Aug 18 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 17 Aug 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD ON 17 AUG 97 :Issued: 1997 Aug 21 0600 UT Magnetic K-Index of 4 Observed from 21 Aug 1997 03:00 to 21 Aug 1997 06:00 UT Comment: Additional K-Index = 4 possible thru 1500UT on 21 Aug 97. :Issued: 1997 Aug 26 0016 UT 245MHz Radio Noise Storm BEG 25 Aug 1997 16:37 END 25 Aug 1997 17:15 :Issued: 1997 Aug 28 0900 UT Magnetic K-Index of 4 Observed from 28 Aug 1997 06:00 to 28 Aug 1997 09:00 UT Comment: None :Issued: 1997 Aug 29 1200 UT Magnetic K-Index of 4 Observed from 29 Aug 1997 09:00 to 29 Aug 1997 12:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 29 AUGUST 1997 1500UT. :Issued: 1997 Aug 29 2349 UT 2695MHz Radio Burst 130 F.U. 29 Aug 1997 23:31 UT Duration 1 Minutes Comment: Derived Background Level is _92 F.U. :Issued: 1997 Aug 30 0015 UT 245MHz Radio Burst 200 F.U. 29 Aug 1997 23:50 UT Duration 1 Minutes Comment: None :Issued: 1997 Aug 30 0600 UT Magnetic K-Index of 4 Observed from 30 Aug 1997 03:00 to 30 Aug 1997 06:00 UT Comment: None :Issued: 1997 Aug 30 1814 UT Electron Event >=1000pfu @>=2MeV BEG 30 Aug 1997 16:58 UT Comment: None :Issued: 1997 Aug 31 0040 UT 245MHz Radio Burst 260 F.U. 30 Aug 1997 00:07 UT Duration 2 Minutes Comment: None :Issued: 1997 Aug 31 0043 UT 245MHz Radio Noise Storm BEG 30 Aug 1997 00:17 END 30 Aug 1997 03:34 :Issued: 1997 Sep 01 0010 UT Electron Event in Progress >=1000pfu @>=2MeV at 31 Aug 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD ON 31 AUG 97 :Issued: 1997 Sep 01 0015 UT 245MHz Radio Burst 130 F.U. 31 Aug 1997 13:50 UT Duration 8 Minutes Comment: None :Issued: 1997 Sep 03 0033 UT 245MHz Radio Burst 390 F.U. 2 Sep 1997 21:13 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 03 2130 UT Magnetic A-Index >=20 Watch for 4 Sep 1997 UT Comment: None :Issued: 1997 Sep 04 0000 UT Magnetic K-Index of 5 Observed from 3 Sep 1997 21:00 to 4 Sep 1997 00:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1800UT ON 04 SEP 97 :Issued: 1997 Sep 04 0003 UT 245MHz Radio Burst 150 F.U. 3 Sep 1997 00:21 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 04 0014 UT 2695MHz Radio Burst 150 F.U. 3 Sep 1997 00:06 UT Duration 1 Minutes Comment: Derived Background Level is _93_ F.U. :Issued: 1997 Sep 04 0309 UT Magnetic A-Index >=20 Observed 4 Sep 1997 03:08 UT Comment: None :Issued: 1997 Sep 05 0005 UT 245MHz Radio Noise Storm BEG 4 Sep 1997 00:59 END 4 Sep 1997 06:20 UT Comment: Derived Background Level is _120_ F.U. :Issued: 1997 Sep 05 0006 UT 245MHz Radio Burst 120 F.U. 4 Sep 1997 22:28 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 07 0034 UT 245MHz Radio Burst 61 F.U. 7 Sep 1997 03:34 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 07 0038 UT 245MHz Radio Burst 68 F.U. 7 Sep 1997 00:38 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 07 0041 UT 245MHz Radio Noise Storm BEG 7 Sep 1997 09:05 END 7 Sep 1997 22:56 UT Comment: Derived Background Level is __ F.U. :Issued: 1997 Sep 08 0028 UT 245MHz Radio Noise Storm BEG 7 Sep 1997 00:01 END 7 Sep 1997 23:59 UT Comment: Derived Background Level is 220_ F.U. :Issued: 1997 Sep 08 0028 UT 245MHz Radio Burst 150 F.U. 7 Sep 1997 08:56 UT Duration 4 Minutes Comment: None :Issued: 1997 Sep 08 0043 UT 245MHz Radio Burst 120 F.U. 7 Sep 1997 13:00 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 08 0052 UT 245MHz Radio Burst 140 F.U. 7 Sep 1997 14:56 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 08 1513 UT Magnetic K-Index of 4 Observed from 8 Sep 1997 12:00 to 8 Sep 1997 15:00 UT Comment: None :Issued: 1997 Sep 08 2009 UT 2695MHz Radio Burst 220 F.U. 8 Sep 1997 19:31 UT Duration 19 Minutes Comment: Derived Background Level is 108 F.U. :Issued: 1997 Sep 09 0023 UT 245MHz Radio Burst 110 F.U. 8 Sep 1997 19:38 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 09 0023 UT 245MHz Radio Noise Storm BEG 8 Sep 1997 06:13 END 8 Sep 1997 21:33 UT Comment: Derived Background Level is150__ F.U. :Issued: 1997 Sep 09 0912 UT Magnetic K-Index of 4 Observed from 9 Sep 1997 06:00 to 9 Sep 1997 09:00 UT Comment: Additional K-Index of 4 possible thru 1500UT on 9 Sep 1997. :Issued: 1997 Sep 09 1903 UT Electron Event >=1000pfu @>=2MeV BEG 9 Sep 1997 18:48 UT Comment: None :Issued: 1997 Sep 10 0013 UT 245MHz Radio Burst 340 F.U. 9 Sep 1997 11:20 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 10 0013 UT 245MHz Radio Noise Storm BEG 9 Sep 1997 00:30 END 9 Sep 1997 22:57 UT Comment: Derived Background Level is 120__ F.U. :Issued: 1997 Sep 11 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 10 Sep 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 10 SEP 97 :Issued: 1997 Sep 11 0008 UT Magnetic K-Index of 4 Observed from 10 Sep 1997 21:00 to 11 Sep 1997 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 11 SEP 97 :Issued: 1997 Sep 11 0719 UT Type II Radio Emission 11 Sep 1997 06:39 UT Comment: IPS SHOCK SPEED 400KM/SEC. :Issued: 1997 Sep 12 0306 UT Magnetic K-Index of 4 Observed from 12 Sep 1997 00:00 to 12 Sep 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 12 SEP 97 :Issued: 1997 Sep 13 0003 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 Sep 1997 18:48 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 DURING 12 SEP 97. ADDITIONAL UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Sep 13 0029 UT 245MHz Radio Noise Storm BEG 12 Sep 1997 11:29 END 12 Sep 1997 17:40 :Issued: 1997 Sep 13 0034 UT 245MHz Radio Burst 0190 F.U. 12 Sep 1997 00:18 UT Duration 8 Minutes Comment: None :Issued: 1997 Sep 13 0039 UT 245MHz Radio Burst 0170 F.U. 12 Sep 1997 02:08 UT Duration 4 Minutes Comment: None :Issued: 1997 Sep 13 0042 UT 245MHz Radio Burst 0360 F.U. 12 Sep 1997 05:12 UT Duration 4 Minutes Comment: None :Issued: 1997 Sep 13 0045 UT 245MHz Radio Burst 0150 F.U. 12 Sep 1997 06:56 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 13 0047 UT 245MHz Radio Burst 110 F.U. 12 Sep 1997 09:08 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0049 UT 245MHz Radio Burst 120 F.U. 12 Sep 1997 10:34 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0051 UT 245MHz Radio Burst 530 F.U. 12 Sep 1997 11:35 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0052 UT 245MHz Radio Burst 120 F.U. 12 Sep 1997 11:41 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0054 UT 245MHz Radio Burst 150 F.U. 12 Sep 1997 14:32 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0056 UT 245MHz Radio Burst 440 F.U. 12 Sep 1991 16:05 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0058 UT 245MHz Radio Burst 190 F.U. 12 Sep 1997 17:30 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0100 UT 245MHz Radio Burst 770 F.U. 12 Sep 1997 18:57 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 13 0102 UT 245MHz Radio Burst 520 F.U. 12 Sep 1997 20:06 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 13 0106 UT Type II Radio Emission 12 Sep 1997 16:05 UT Comment: DURATION 03 MINUTES. FREQ. RANGE 030-080. :Issued: 1997 Sep 14 0005 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 Sep 1997 18:48 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 DURING 13 SEP 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE EVENT IS IN PROGRESS. :Issued: 1997 Sep 14 0026 UT 245MHz Radio Burst 110 F.U. 13 Sep 1997 02:26 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 15 0011 UT 245MHz Radio Burst 230 F.U. 14 Sep 1997 17:35 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 15 0011 UT Electron Event in Progress >=1000pfu @>=2MeV at 14 Sep 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 14 SEP 97 :Issued: 1997 Sep 16 0029 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Sep 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 15 SEP 97 :Issued: 1997 Sep 17 0016 UT Electron Event in Progress >=1000pfu @>=2MeV at 16 Sep 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 16 SEP 97 :Issued: 1997 Sep 18 0027 UT Electron Event in Progress >=1000pfu @>=2MeV at 17 Sep 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 17 SEP 97 :Issued: 1997 Sep 18 0305 UT Magnetic K-Index of 4 Observed from 18 Sep 1997 00:00 to 18 Sep 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 18 SEP 97 :Issued: 1997 Sep 18 0600 UT Magnetic K-Index of 5 Observed from 18 Sep 1997 03:00 to 18 Sep 1997 06:00 UT Comment: None :Issued: 1997 Sep 18 2044 UT Magnetic A-Index >=20 Observed 18 Sep 1997 18:00 UT Comment: None :Issued: 1997 Sep 20 0012 UT 245MHz Radio Burst 110 F.U. 20 Sep 1997 00:11 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 22 0006 UT Magnetic K-Index of 4 Observed from 21 Sep 1997 21:00 to 22 Sep 1997 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 22 SEP 97 :Issued: 1997 Sep 22 0018 UT 245MHz Radio Burst 200 F.U. 21 Sep 1997 01:27 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 24 0011 UT 245MHz Radio Noise Storm BEG 23 Sep 1997 22:28 END 23 Sep 1997 23:59 :Issued: 1997 Sep 24 0343 UT X-Ray event M5/1B/S31E19 BEG 24 Sep 1997 02:43 MAX 24 Sep 1997 02:48 END 24 Sep 1997 03:05 UT Comment: None :Issued: 1997 Sep 24 0405 UT 2695MHz Radio Burst 710 F.U. 24 Sep 1997 02:46 UT Duration 2 Minutes Comment: Derived Background Level is __ F.U. :Issued: 1997 Sep 24 0405 UT Type IV Radio Emission 24 Sep 1997 02:48 UT Comment: None :Issued: 1997 Sep 24 1149 UT Type II Radio Emission 24 Sep 1997 11:07 UT Comment: IPS SHOCK SPEED 750 KM/SEC +/- 200 KM/SEC. :Issued: 1997 Sep 24 1315 UT Type IV Radio Emission 24 Sep 1997 12:10 UT Comment: None :Issued: 1997 Sep 24 2002 UT Type II Radio Emission 24 Sep 1997 18:34 UT Comment: Estimated Shock Speed 2000 KM/SEC +/- 300 KM/SEC. :Issued: 1997 Sep 24 2053 UT Magnetic A-Index >=20 Watch for 26 Sep 1997 UT Comment: None :Issued: 1997 Sep 24 2115 UT Magnetic A-Index >=30 Watch for 27 Sep 1997 UT Comment: None :Issued: 1997 Sep 25 0044 UT 245MHz Radio Burst 81000 F.U. 24 Sep 1997 02:48 UT Duration 4 Minutes Comment: None :Issued: 1997 Sep 25 0052 UT 245MHz Radio Burst 5300 F.U. 24 Sep 1997 05:34 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 25 0102 UT 245MHz Radio Burst 270 F.U. 25 Sep 1997 06:58 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 25 0126 UT 245MHz Radio Burst 1800 F.U. 24 Sep 1997 11:06 UT Duration 16 Minutes Comment: None :Issued: 1997 Sep 25 0143 UT 245MHz Radio Burst 670 F.U. 24 Sep 1997 18:31 UT Duration 2 Minutes Comment: None :Issued: 1997 Sep 25 2121 UT Magnetic A-Index >=20 Watch for 28 Sep 1997 UT Comment: None :Issued: 1997 Sep 26 0052 UT 245MHz Radio Noise Storm BEG 25 Sep 1997 18:07 END 25 Sep 1997 21:26 :Issued: 1997 Sep 26 0052 UT 245MHz Radio Burst 350 F.U. 25 Sep 1997 13:45 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 26 0102 UT 245MHz Radio Burst 160 F.U. 25 Sep 1997 16:07 UT Duration 3 Minutes Comment: None :Issued: 1997 Sep 26 0107 UT 245MHz Radio Burst 110 F.U. 25 Sep 1997 17:53 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 26 0113 UT 245MHz Radio Burst 110 F.U. 25 Sep 1997 23:17 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 27 0014 UT 245MHz Radio Noise Storm BEG 26 Sep 1997 11:00 END 26 Sep 1997 11:43 :Issued: 1997 Sep 27 0016 UT 245MHz Radio Noise Storm BEG 26 Sep 1997 13:20 END 26 Sep 1997 13:51 :Issued: 1997 Sep 27 1806 UT Magnetic K-Index of 4 Observed from 27 Sep 1997 15:00 to 27 Sep 1997 18:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THRU 1500UT ON 28 SEP. :Issued: 1997 Sep 28 0007 UT 245MHz Radio Burst 460 F.U. 28 Sep 1997 17:27 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 28 0011 UT 245MHz Radio Noise Storm BEG 27 Sep 1997 11:16 END 27 Sep 1997 19:06 :Issued: 1997 Sep 28 0855 UT Magnetic K-Index of 5 Observed from 28 Sep 1997 06:00 to 28 Sep 1997 09:00 UT Comment: ADDITIONAL K'S OF 5 ARE POSSIBLE THRU 1500 UT ON 28 SEP :Issued: 1997 Sep 28 0858 UT Magnetic A-Index >=20 Observed 28 Sep 1997 09:00 UT Comment: None :Issued: 1997 Sep 28 1534 UT Type II Radio Emission 28 Sep 1997 14:19 UT Comment: AF VELOCITY 1200 +/- 400. IPS 800 +/- 400. :Issued: 1997 Sep 28 1627 UT Electron Event >=1000pfu @>=2MeV BEG 28 Sep 1997 16:23 UT Comment: None :Issued: 1997 Sep 29 0057 UT 245MHz Radio Burst 480 F.U. 28 Sep 1997 22:14 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 29 0106 UT 245MHz Radio Burst 100 F.U. 28 Sep 1997 23:46 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 30 0054 UT 245MHz Radio Noise Storm BEG 29 Sep 1997 20:08 END 29 Sep 1997 23:00 :Issued: 1997 Sep 30 0054 UT 245MHz Radio Noise Storm BEG 29 Sep 1997 20:08 END 29 Sep 1997 23:00 :Issued: 1997 Sep 30 0054 UT 245MHz Radio Noise Storm BEG 29 Sep 1997 20:08 END 29 Sep 1997 23:00 :Issued: 1997 Sep 30 0111 UT 245MHz Radio Burst 120 F.U. 29 Sep 1997 11:07 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 30 0120 UT 245MHz Radio Burst 340 F.U. 29 Sep 1997 12:34 UT Duration 3 Minutes Comment: None :Issued: 1997 Sep 30 0128 UT 245MHz Radio Burst 430 F.U. 29 Sep 1997 14:57 UT Duration 1 Minutes Comment: None :Issued: 1997 Sep 30 1518 UT Electron Event in Progress >=1000pfu @>=2MeV at 29 Sep 1997 23:59 UT Comment: The >2 MeV event which began at 28/1643UT continues. Fluxes exceeded 1e3 on 29 September. Daily updates will be issued while event is in progress. :Issued: 1997 Oct 01 0026 UT Electron Event in Progress >=1000pfu @>=2MeV at 30 Sep 1997 23:59 UT Comment: None :Issued: 1997 Oct 01 0114 UT Sudden Impulse observed at Boulder 1 Oct 1997 01:00 UT19 Gammas Comment: None :Issued: 1997 Oct 01 0301 UT Magnetic K-Index of 4 Observed from 1 Oct 1997 00:00 to 1 Oct 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 01 OCT 97 :Issued: 1997 Oct 01 1159 UT Magnetic K-Index of 6 Observed from 1 Oct 1997 09:00 to 1 Oct 1997 12:00 UT Comment: None :Issued: 1997 Oct 01 1201 UT Magnetic A-Index >=20 Observed 1 Oct 1997 12:00 UT Comment: None :Issued: 1997 Oct 02 0017 UT Electron Event in Progress >=1000pfu @>=2MeV at 1 Oct 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 01 OCT 97 :Issued: 1997 Oct 02 2355 UT Sudden Impulse observed at Boulder 2 Oct 1997 23:21 UT9 Gammas Comment: None :Issued: 1997 Oct 03 0016 UT 245MHz Radio Burst 100 F.U. 2 Oct 1997 16:55 UT Duration 2 Minutes Comment: None :Issued: 1997 Oct 05 2150 UT Magnetic A-Index >=20 Watch for 6 Oct 1997 UT Comment: None :Issued: 1997 Oct 05 2200 UT Magnetic A-Index >=20 Watch for 7 Oct 1997 UT Comment: None :Issued: 1997 Oct 08 0901 UT Magnetic K-Index of 4 Observed from 8 Oct 1997 06:00 to 8 Oct 1997 09:00 UT Comment: Additional K-Index of 4 possible thru 1500UT on 8 Oct 1997. :Issued: 1997 Oct 09 0308 UT Magnetic K-Index of 4 Observed from 9 Oct 1997 00:00 to 9 Oct 1997 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 09 OCT 97 :Issued: 1997 Oct 09 0902 UT Magnetic K-Index of 5 Observed from 9 Oct 1997 06:00 to 9 Oct 1997 09:00 UT Comment: None :Issued: 1997 Oct 09 0906 UT Magnetic A-Index >=20 Observed 9 Oct 1997 09:04 UT Comment: None :Issued: 1997 Oct 09 1230 UT Type II Radio Emission 9 Oct 1997 11:59 UT Comment: IPS SHOCK SPEED 800 KM/SEC +/- 200 KM/SEC. :Issued: 1997 Oct 09 1902 UT Electron Event >=1000pfu @>=2MeV BEG 9 Oct 1997 18:46 UT Comment: None :Issued: 1997 Oct 10 0559 UT Magnetic K-Index of 4 Observed from 10 Oct 1997 03:00 to 10 Oct 1997 06:00 UT Comment: ADDITIONAL Ks OF 4 POSSIBLE THROUGH 1500 UT ON 10 OCTOBER 1997 :Issued: 1997 Oct 10 1953 UT Magnetic A-Index >=20 Watch for 11 Oct 1997 UT Comment: None :Issued: 1997 Oct 10 2112 UT Magnetic K-Index of 4 Observed from 10 Oct 1997 18:00 to 10 Oct 1997 21:00 UT Comment: ADDITIONAL K's OF 4 ARE POSSIBLE THRU 1500UT ON 12 OCT 97 :Issued: 1997 Oct 10 2357 UT Magnetic A-Index >=20 Observed 11 Oct 1997 00:00 UT Comment: None :Issued: 1997 Oct 10 2358 UT Magnetic K-Index of 5 Observed from 10 Oct 1997 21:00 to 11 Oct 1997 00:00 UT Comment: ADDITIONAL K = 5 POSSIBLE THROUGH 12/1500UT. :Issued: 1997 Oct 11 0011 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 Oct 1997 18:46 UT Comment: THE GREATER THAN 2 MEV ELECTRON FLUX EXCEEDED 1E3 ON 10 OCT 97. ADDITIONAL DAILY UPDATES WILL BE ISSUED WHILE THE EVENT REMAINS IN PROGRESS. :Issued: 1997 Oct 11 0254 UT Magnetic A-Index >=30 Observed 11 Oct 1997 03:00 UT Comment: ADDITIONAL K=6 POSSIBLE THROUGH 11/1500UT. :Issued: 1997 Oct 11 0256 UT Magnetic K-Index of 6 Observed from 11 Oct 1997 00:00 to 11 Oct 1997 03:00 UT Comment: ADDITIONAL K=6 POSSIBLE THROUGH 11/1500UT. :Issued: 1997 Oct 13 1200 UT Magnetic K-Index of 4 Observed from 13 Oct 1997 09:00 to 13 Oct 1997 12:00 UT Comment: Additional Magnetic K-Index of 4 possible thru 1800 UT on 13 Oct 1997. :Issued: 1997 Oct 14 2050 UT Electron Event >=1000pfu @>=2MeV BEG 14 Oct 1997 20:03 UT Comment: None :Issued: 1997 Oct 20 0904 UT Magnetic K-Index of 4 Observed from 20 Oct 1997 06:00 to 20 Oct 1997 09:00 UT Comment: Additional K-Index of 4 possible thru 1800UT on 20 Oct 1997. :Issued: 1997 Oct 21 1446 UT Type II Radio Emission 21 Oct 1997 01:07 UT Comment: ESTIMATED SHOCK SPEED 800 Kps :Issued: 1997 Oct 22 1643 UT Magnetic A-Index >=20 Watch for 24 Oct 1997 UT Comment: None :Issued: 1997 Oct 22 1650 UT Magnetic A-Index >=20 Watch for 25 Oct 1997 UT Comment: None :Issued: 1997 Oct 22 1733 UT Magnetic A-Index >=20 Watch for 24 Oct 1997 UT Comment: THE A >=20 WATCH FOR 24 OCT IS CANCELLED :Issued: 1997 Oct 23 0903 UT Sudden Impulse observed at Boulder 23 Oct 1997 08:30 UT10 Gammas Comment: None :Issued: 1997 Oct 23 1813 UT Magnetic A-Index >=30 Watch for 26 Oct 1997 UT Comment: None :Issued: 1997 Oct 24 1512 UT Magnetic K-Index of 4 Observed from 24 Oct 1997 12:00 to 24 Oct 1997 15:00 UT Comment: None :Issued: 1997 Oct 24 1740 UT Magnetic A-Index >=20 Watch for 24 Oct 1997 UT Comment: None :Issued: 1997 Oct 25 0338 UT Magnetic K-Index of 4 Observed from 25 Oct 1997 00:00 to 25 Oct 1997 03:00 UT Comment: Additional K=4 possible thru 25/1500UT Oct 1997. :Issued: 1997 Oct 25 0605 UT Magnetic K-Index of 5 Observed from 25 Oct 1997 03:00 to 25 Oct 1997 06:00 UT Comment: None :Issued: 1997 Oct 25 0607 UT Magnetic A-Index >=20 Observed 25 Oct 1997 06:00 UT Comment: None :Issued: 1997 Oct 27 0009 UT Magnetic K-Index of 4 Observed from 26 Oct 1997 21:00 to 27 Oct 1997 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 27 OCT 97 :Issued: 1997 Oct 27 0305 UT Magnetic K-Index of 5 Observed from 27 Oct 1997 00:00 to 27 Oct 1997 03:00 UT Comment: None :Issued: 1997 Oct 28 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 27 Oct 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 27 OCT 97 :Issued: 1997 Oct 29 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 28 Oct 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 28 OCT 97 :Issued: 1997 Oct 30 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 29 Oct 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 29 OCT 97 :Issued: 1997 Oct 31 0006 UT Electron Event in Progress >=1000pfu @>=2MeV at 30 Oct 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 30 OCT 97 :Issued: 1997 Nov 01 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 31 Oct 1997 23:59 UT Comment: None :Issued: 1997 Nov 01 0612 UT Magnetic K-Index of 4 Observed from 1 Nov 1997 03:00 to 1 Nov 1997 06:00 UT Comment: None :Issued: 1997 Nov 02 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 1 Nov 1997 23:59 UT Comment: None :Issued: 1997 Nov 03 0006 UT Electron Event in Progress >=1000pfu @>=2MeV at 2 Nov 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 02 NOV 97 :Issued: 1997 Nov 03 0523 UT Type IV Radio Emission 3 Nov 1997 04:42 UT Comment: None :Issued: 1997 Nov 03 0936 UT 2695MHz Radio Burst 120 F.U. 3 Nov 1997 09:07 UT Duration 1 Minutes Comment: Derived Background Level is _95_ F.U. :Issued: 1997 Nov 03 0947 UT Type II Radio Emission 3 Nov 1997 09:10 UT Comment: IPS SHOCK SPEED 1200 KM/SEC +/- 200 KM/SEC. :Issued: 1997 Nov 03 0957 UT Type IV Radio Emission 3 Nov 1997 09:28 UT Comment: None :Issued: 1997 Nov 03 1121 UT Type II Radio Emission 3 Nov 1997 10:29 UT Comment: IPS FUNDAMENTAL SHOCK SPEED 1000 KM/SEC =/- 200 KM/SEC. IPS HARMONIC SHOCK SPEED 700 KM/SEC +/- 200 KM/SEC. :Issued: 1997 Nov 03 1319 UT Type IV Radio Emission 3 Nov 1997 12:13 UT Comment: None :Issued: 1997 Nov 03 1356 UT 2695MHz Radio Burst 230 F.U. 3 Nov 1997 10:22 UT Duration 13 Minutes Comment: Derived Background Level is _98_ F.U. :Issued: 1997 Nov 03 1915 UT Magnetic A-Index >=20 Watch for 6 Nov 1997 UT Comment: None :Issued: 1997 Nov 03 2043 UT Type IV Radio Emission 3 Nov 1997 20:12 UT Comment: None :Issued: 1997 Nov 04 0007 UT Electron Event in Progress >=1000pfu @>=2MeV at 3 Nov 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 03 NOV 97 :Issued: 1997 Nov 04 0630 UT X-Ray event BEG 4 Nov 1997 05:52 MAX 4 Nov 1997 05:58 END 4 Nov 1997 06:16 UT Comment: None :Issued: 1997 Nov 04 0827 UT 2695MHz Radio Burst 690 F.U. 4 Nov 1997 05:55 UT Duration 9 Minutes Comment: Derived Background Level is 110F.U. :Issued: 1997 Nov 04 0831 UT Type IV Radio Emission 4 Nov 1997 06:11 UT Comment: None :Issued: 1997 Nov 04 0843 UT Type II Radio Emission 4 Nov 1997 06:08 UT Comment: IPS SHOCK SPEED 800 KM/SEC +/- 200 KM/SEC. :Issued: 1997 Nov 04 0851 UT Proton Event >=10pfu @>=10MeV BEG 4 Nov 1997 08:45 UT Comment: Current flux value is 1.7E+1 :Issued: 1997 Nov 04 1253 UT Type IV Radio Emission 4 Nov 1997 11:43 UT Comment: None :Issued: 1997 Nov 04 1521 UT Proton Event >1pfu @>=100MeV BEG 4 Nov 1997 07:25 UT Comment: None :Issued: 1997 Nov 04 1815 UT Magnetic K-Index of 4 Observed from 4 Nov 1997 15:00 to 4 Nov 1997 18:00 UT Comment: None :Issued: 1997 Nov 04 2109 UT Magnetic A-Index >=50 Watch for 7 Nov 1997 UT Comment: None :Issued: 1997 Nov 04 2112 UT Magnetic A-Index >=30 Watch for 8 Nov 1997 UT Comment: None :Issued: 1997 Nov 04 2134 UT Type II Radio Emission 4 Nov 1997 20:35 UT Comment: Type II weak. Duration 04 minutes. :Issued: 1997 Nov 04 2222 UT Type IV Radio Emission 4 Nov 1997 20:52 UT Comment: Type IV duration 55 minutes, weak intensity. :Issued: 1997 Nov 06 0408 UT Type II Radio Emission 6 Nov 1997 03:25 UT Comment: ESTIMATED SHOCK SPEED 1000 KM/S :Issued: 1997 Nov 06 1215 UT Proton Event Warning >= 10pfu @>=10MeV BEG 6 Nov 1997 12:55 UT Comment: None :Issued: 1997 Nov 06 1231 UT X-Ray event X9/3B/S19W61 BEG 6 Nov 1997 11:49 MAX 6 Nov 1997 11:55 END 6 Nov 1997 12:01 UT Comment: None :Issued: 1997 Nov 06 1323 UT Proton Event >=10pfu @>=10MeV BEG 6 Nov 1997 13:05 UT Comment: Current Flux is 19 pfu :Issued: 1997 Nov 06 1333 UT Proton Event >1pfu @>=100MeV BEG 6 Nov 1997 12:45 UT Comment: Current flux is 14pfu :Issued: 1997 Nov 06 1412 UT 2695MHz Radio Burst 3300 F.U. 6 Nov 1997 11:51 UT Duration 18 Minutes Comment: Derived Background Level is _114_ F.U. :Issued: 1997 Nov 06 1423 UT Type IV Radio Emission 6 Nov 1997 11:52 UT Comment: None :Issued: 1997 Nov 06 2308 UT Sudden Impulse observed at Boulder 6 Nov 1997 22:52 UT36 Gammas Comment: None :Issued: 1997 Nov 07 0020 UT Magnetic K-Index of 4 Observed from 6 Nov 1997 21:00 to 7 Nov 1997 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 08 N0V 97 :Issued: 1997 Nov 07 0307 UT Magnetic A-Index >=20 Observed 7 Nov 1997 03:00 UT Comment: None :Issued: 1997 Nov 07 0307 UT Magnetic K-Index of 6 Observed from 7 Nov 1997 00:00 to 7 Nov 1997 03:00 UT Comment: ADDITIONAL K'S OF 6 POSSIBLE THRU 1500UT ON 07 NOV 97 :Issued: 1997 Nov 07 1512 UT Magnetic A-Index >=30 Observed 7 Nov 1997 15:00 UT Comment: None :Issued: 1997 Nov 14 0150 UT Type II Radio Emission 14 Nov 1997 01:37 UT Comment: ESTIMATED SHOCK SPEED 800 KM/S :Issued: 1997 Nov 15 2320 UT 2695MHz Radio Burst 110 F.U. 15 Nov 1997 22:48 UT Duration Minutes Comment: Derived Background Level is __ F.U. :Issued: 1997 Nov 18 1458 UT Magnetic K-Index of 4 Observed from 18 Nov 1997 12:00 to 18 Nov 1997 15:00 UT Comment: None :Issued: 1997 Nov 20 1921 UT Magnetic A-Index >=20 Watch for 23 Nov 1997 UT Comment: None :Issued: 1997 Nov 21 1520 UT Type IV Radio Emission 19 Nov 1997 21:35 UT Comment: None :Issued: 1997 Nov 22 0615 UT Magnetic K-Index of 4 Observed from 22 Nov 1997 03:00 to 22 Nov 1997 06:00 UT Comment: Additional K-index of 4 possible through 22/1800UT Nov 1997. :Issued: 1997 Nov 22 1155 UT Magnetic K-Index of 5 Observed from 22 Nov 1997 09:00 to 22 Nov 1997 12:00 UT Comment: Additional K-index of 5 possible through 22/1500UT Nove 97 :Issued: 1997 Nov 22 1454 UT Magnetic A-Index >=20 Observed 22 Nov 1997 14:53 UT Comment: None :Issued: 1997 Nov 22 1502 UT Magnetic K-Index of 6 Observed from 22 Nov 1997 12:00 to 22 Nov 1997 15:00 UT Comment: None :Issued: 1997 Nov 23 1633 UT Magnetic A-Index >=20 Watch for 24 Nov 1997 UT Comment: None :Issued: 1997 Nov 24 0010 UT Magnetic A-Index >=30 Observed 24 Nov 1997 00:08 UT Comment: PLEASE NOTE: THIS IS AN UPDATE TO ALERT ISSUED ON 23 NOV 97. :Issued: 1997 Nov 24 0529 UT Electron Event >=1000pfu @>=2MeV BEG 24 Nov 1997 05:15 UT Comment: None :Issued: 1997 Nov 25 1955 UT 2695MHz Radio Burst 0140 F.U. 25 Nov 1997 19:45 UT Duration 4 Minutes(S/N 11) Comment: Derived Background Level is 103 F.U. :Issued: 1997 Nov 26 0006 UT Electron Event in Progress >=1000pfu @>=2MeV at 25 Nov 1997 23:59 UT(S/N 68) Comment: Electrons exceeded threshold again on 25 Nov 97 :Issued: 1997 Nov 27 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 26 Nov 1997 23:59 UT(S/N 69) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 26 NOV 97 :Issued: 1997 Nov 27 1325 UT X-Ray event X2.6/2B/N17E63 BEG 27 Nov 1997 12:59 MAX 27 Nov 1997 13:17 END 27 Nov 1997 13:20 UT(S/N 2) Comment: None :Issued: 1997 Nov 27 1427 UT 2695MHz Radio Burst 350 F.U. 27 Nov 1997 13:23 UT Duration 10 Minutes(S/N 12) Comment: Derived Background Level is 102__ F.U. :Issued: 1997 Nov 27 1436 UT Type II Radio Emission 27 Nov 1997 13:21 UT(S/N 21) Comment: IPS SHOCK SPEED 700 KM/SEC +/- 300 KM/SEC. :Issued: 1997 Nov 28 0031 UT Electron Event in Progress >=1000pfu @>=2MeV at 27 Nov 1997 23:59 UT(S/N 70) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 27 NOV 97 :Issued: 1997 Nov 28 0526 UT 2695MHz Radio Burst 170 F.U. 28 Nov 1997 05:00 UT Duration 3 Minutes(S/N 13) Comment: Derived Background Level is 170__ F.U. :Issued: 1997 Nov 28 0548 UT X-Ray event M6.8N20E60 BEG 28 Nov 1997 04:53 MAX 28 Nov 1997 05:03 END 28 Nov 1997 05:23 UT(S/N 1) Comment: None :Issued: 1997 Nov 29 0012 UT Electron Event in Progress >=1000pfu @>=2MeV at 28 Nov 1997 23:59 UT(S/N 71) Comment: None :Issued: 1997 Nov 29 2307 UT 2695MHz Radio Burst 140 F.U. 29 Nov 1997 22:32 UT Duration Minutes(S/N 14) Comment: Derived Background Level is 112 F.U. :Issued: 1997 Nov 29 2340 UT X-Ray event M6.4 BEG 29 Nov 1997 22:28 MAX 29 Nov 1997 22:44 END 29 Nov 1997 22:53 UT(S/N 2) Comment: None :Issued: 1997 Nov 30 0311 UT Electron Event in Progress >=1000pfu @>=2MeV at 29 Nov 1997 23:59 UT(S/N 72) Comment: None :Issued: 1997 Dec 01 0006 UT Electron Event in Progress >=1000pfu @>=2MeV at 30 Nov 1997 23:59 UT(S/N 73) Comment: ELECTRONS EXCEEDED THRESHOLD ON 29 & 30 NOV. 97 :Issued: 1997 Dec 04 0616 UT 2695MHz Radio Burst 32 F.U. 4 Dec 1997 05:54 UT Duration 1 Minutes Comment: Derived Background Level is 32__ F.U. :Issued: 1997 Dec 08 2147 UT Magnetic A-Index >=20 Watch for 9 Dec 1997 UT Comment: None :Issued: 1997 Dec 08 2201 UT Magnetic A-Index >=20 Watch for 10 Dec 1997 UT Comment: None :Issued: 1997 Dec 09 1543 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: Monday/Stratwarm Exists An intense warming exists over Siberia and the adjacent arctic, leading to a temperature increase of more than 40 degrees C during a week over the north Siberian Plains. At the same time a strong and cold polar vortex centered over the European Arctic. Tuesday/ Intense warming continues over siberia (E. of 90E) and the adjacent Arctic, spreading Newards. :Issued: 1997 Dec 09 1904 UT Magnetic A-Index >=20 Watch for 11 Dec 1997 UT Comment: None :Issued: 1997 Dec 10 1223 UT Magnetic K-Index of 4 Observed from 10 Dec 1997 09:00 to 10 Dec 1997 12:00 UT Comment: Additional K-Index of 4 possible thru 1500UT on 10 Dec 1997. :Issued: 1997 Dec 10 1341 UT Stratwarm Alert WEDNESDAY Stratwarm Wednesday Comment: STRATWARM EXISTS. INTENSE WARMING OVER SIBERIA (EAST OF 90E) AND THE ADJACENT ARCTIC. EXPANDING OVER ALASKA AND WEST CANADA. :Issued: 1997 Dec 10 1349 UT Sudden Impulse observed at Boulder 10 Dec 1997 05:30 UT27 Gammas Comment: None :Issued: 1997 Dec 10 1810 UT Magnetic K-Index of 4 Observed from 10 Dec 1997 15:00 to 10 Dec 1997 18:00 UT Comment: Additional K=4 possible thru 1500UT on 11 Dec 97. :Issued: 1997 Dec 11 1111 UT Stratwarm Alert EXISTS Stratwarm Thursday Comment: AN INTENSE WARMING EXISTS OVER SIBERIA AND THE ADJACENT ARCTIC, LEADING TO A TEMPERATURE INCREASE OF MORE THAN 40 DGS C DURING A WEEK OVER THE NORTH SIBERIAN PLAINS. AT THE SAME TIME A STRONG AND COLD POLAR VORTEX CENTRED OVER THE EUROPEAN ARCTIC. :Issued: 1997 Dec 11 1815 UT Electron Event >=1000pfu @>=2MeV BEG 11 Dec 1997 18:00 UT Comment: None :Issued: 1997 Dec 12 1320 UT Stratwarm Alert Exists Stratwarm Friday Comment: MINOR WARMING OVER NORTHEAST SIBERIA AND ALASKA SLOWLY WEAKENING,BUT THE WARMING OVER THE MEDITERRANEAN AREA STRENGTHENING AND SPREADING NORTHEASTWARDS. :Issued: 1997 Dec 13 0029 UT Electron Event in Progress >=1000pfu @>=2MeV at 12 Dec 1997 23:59 UT Comment: ELECTRONS EXCEDDED THRESHHOLD AGAIN ON 12 DEC. 1997 :Issued: 1997 Dec 14 1442 UT Electron Event >=1000pfu @>=2MeV BEG 14 Dec 1997 14:35 UT Comment: None :Issued: 1997 Dec 16 0005 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Dec 1997 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 15 DEC 97 :Issued: 1997 Dec 18 0600 UT Magnetic K-Index of 4 Observed from 18 Dec 1997 03:00 to 18 Dec 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 18 DEC 97 :Issued: 1997 Dec 22 1355 UT Stratwarm Alert exists Stratwarm Monday Comment: stratwarm alert/Monday/ stratwarm exists. An intense warming exists over siberia, alaska and the adjacent polar region with a temerature increase of more than 35 dgs c during a week over north siberia and the adjacent arctic. Temperature gradient reversed between 60n and the jpole at 10hpa and above in the upper stratosphere. :Issued: 1997 Dec 23 1358 UT Stratwarm Alert EXISTS Stratwarm Tuesday Comment: MINOR WARMING EXISTS OVER SIBERIA , ALASKA AND THE ADJACENT POLAR REGION. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10 HPA. :Issued: 1997 Dec 24 1330 UT Stratwarm Alert Exists Stratwarm Wednesday Comment: MINOR WARMING FURTHER EXISTS OVER SIBERIA , ALASKA AND THE POLAR REGION , RESULTING IN A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE NEARLY IN THE WHOLE STRATOSPHERE AT 30HPA AND ABOVE. :Issued: 1997 Dec 25 1456 UT Stratwarm Alert Exists Stratwarm Thursday Comment: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. MINOR WARMING CONTINUOSLY EXISTS OVER SIBERIA, ALASKA AND THE POLAR REGION, WARM AIR SPREADING TO WEST AND CENTRAL CANADA TODAY. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 30HPA AND ABOVE IN THE MIDDLE AND UPPER STRATOSPHERE. :Issued: 1997 Dec 26 1436 UT Stratwarm Alert Exists Stratwarm Friday Comment: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. A LARGE WARM AREA COVERS SIBERIA, ALASKA, CANADA, AND THE POLAR REGION. TEMPERATURE GRADIENT REVERSED BETWEEN 60N ABD THE POLE AT 30 AND 10 HPA. :Issued: 1997 Dec 27 0629 UT Stratwarm Alert EXISTS Stratwarm Saturday Comment: None :Issued: 1997 Dec 27 1358 UT Stratwarm Alert Exists Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. A LARGE WARM AREA COVERS THE POLAR REGION. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30 HPA UPWARDS INTO THE UPPER STRATOSPHERE. :Issued: 1997 Dec 28 1323 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. STRATOSPHERIC WARMING CONTINUES. WARM AIR COVERS MOST OF THE NORTHERN HIGH LATITUDES, TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE REVERSED FROM 50 HPA UPWARDS INTO THE UPPER STRATOSPHERE. :Issued: 1997 Dec 29 1408 UT Stratwarm Alert Exists Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. STRATOSPHERIC WARMING CONTINUES,SLOWLY WEAKENING.WARM AIR COVERS THE POLAR REGION,CANADA AND CENTRAL AND NORTHEAST SIBERIA.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 50HPA UPWARDS INTO THE UPPER STRATOSPHERE. :Issued: 1997 Dec 30 0228 UT Sudden Impulse observed at Boulder 30 Dec 1997 02:15 UT14 Gammas Comment: None :Issued: 1997 Dec 30 0602 UT Magnetic K-Index of 4 Observed from 30 Dec 1997 03:00 to 30 Dec 1997 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 30 DEC 97 :Issued: 1997 Dec 30 1423 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. MINOR WARMING FURTHER OVER THE POLAR REGION, CANADA, AND CENTRAL/NORTHEAST SIBERIA. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30 HPA UPWARDS INTO THE UPPER STRATOSPHERE. THE WARMING OVER CENTRAL EUROPE CONTINUES. :Issued: 1997 Dec 30 2107 UT Magnetic K-Index of 4 Observed from 30 Dec 1997 18:00 to 30 Dec 1997 21:00 UT Comment: Additional K-index of 4 possible thru 31/1500UT Dec 1997. :Issued: 1997 Dec 31 1352 UT Stratwarm Alert exists Stratwarm Wednesday Comment: STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. EXPANSIVE WARMING OVER POLAR REGION, CANADA, SIBERIA, AND MEDITERRANEAN AREA WITH CENTERS OVER THE POLE AND OVER THE BLACK SEA. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30 HPA UPWARDS INTO THE UPPER STRATOSPHERE.