NOAA / Space Weather Prediction Center

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Space Weather Alerts

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Alerts Issued in November 2008


Space Weather Message Code: ALTK04
Serial Number: 1393
Issue Time: 2008 Nov 26 0421 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 26 0420 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1575
Issue Time: 2008 Nov 26 0403 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 26 0403 UTC
Valid To: 2008 Nov 26 1600 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1574
Issue Time: 2008 Nov 25 0649 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 25 0650 UTC
Valid To: 2008 Nov 25 1600 UTC
Warning Condition: Onset


Space Weather Message Code: SUMSUD
Serial Number: 89
Issue Time: 2008 Nov 25 0007 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2008 Nov 24 2350 UTC
Deviation: 31 nT
Station: Boulder


Space Weather Message Code: ALTK04
Serial Number: 1392
Issue Time: 2008 Nov 16 0220 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 16 0219 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1573
Issue Time: 2008 Nov 16 0159 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 16 0215 UTC
Valid To: 2008 Nov 16 0600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1623
Issue Time: 2008 Nov 15 1336 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 15 1320 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2820 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1622
Issue Time: 2008 Nov 14 0858 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 14 0840 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1760 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1621
Issue Time: 2008 Nov 13 0951 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 13 0935 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2900 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1620
Issue Time: 2008 Nov 12 0500 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 12 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2880 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1619
Issue Time: 2008 Nov 11 0712 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 11 0635 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2770 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1618
Issue Time: 2008 Nov 10 1007 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 10 0940 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2080 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1617
Issue Time: 2008 Nov 09 1118 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 09 1100 UTC
Station: GOES12
Observed Yesterday: No


Space Weather Message Code: ALTK04
Serial Number: 1391
Issue Time: 2008 Nov 09 0601 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 09 0601 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1572
Issue Time: 2008 Nov 09 0600 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 09 0600 UTC
Valid To: 2008 Nov 09 1200 UTC
Warning Condition: onset


Space Weather Message Code: ALTK04
Serial Number: 1390
Issue Time: 2008 Nov 09 0032 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 09 0030 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: ALTK04
Serial Number: 1389
Issue Time: 2008 Nov 08 0256 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 08 0255 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1571
Issue Time: 2008 Nov 08 0253 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 08 0253 UTC
Valid To: 2008 Nov 08 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1388
Issue Time: 2008 Nov 07 2229 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Nov 07 2229 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1570
Issue Time: 2008 Nov 07 2029 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Nov 07 2100 UTC
Valid To: 2008 Nov 07 2359 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1616
Issue Time: 2008 Nov 06 0540 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 06 0510 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1740 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1615
Issue Time: 2008 Nov 05 0742 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 05 0720 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1480 pfu


Space Weather Message Code: WATA20
Serial Number: 454
Issue Time: 2008 Nov 04 2141 UTC

WATCH: Geomagnetic A-index of 20 or greater predicted
Valid for UTC Day: 2008 Nov 07


Space Weather Message Code: ALTEF3
Serial Number: 1614
Issue Time: 2008 Nov 04 1007 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 04 0945 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1760 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1613
Issue Time: 2008 Nov 03 1004 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 03 0940 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1880 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1612
Issue Time: 2008 Nov 02 0512 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 02 0500 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3620 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1611
Issue Time: 2008 Nov 01 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Nov 01 0500 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 4900 pfu