NOAA / Space Weather Prediction Center
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Space Weather Alerts |
Alerts in Graphical Timelines: Past 7 days
and Currently in Effect
Alerts in Text Format: Current month and
Previous month
Space Weather Message Code: ALTK04
Serial Number: 1397
Issue Time: 2008 Dec 31 0642 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Dec 31 0642 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: Yes
Space Weather Message Code: WARK04
Serial Number: 1580
Issue Time: 2008 Dec 31 0636 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Dec 31 0640 UTC
Valid To: 2008 Dec 31 1600 UTC
Warning Condition: Onset
Space Weather Message Code: WARK04
Serial Number: 1579
Issue Time: 2008 Dec 22 2355 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1578
Valid From: 2008 Dec 22 1726 UTC
Now Valid Until: 2008 Dec 23 1600 UTC
Warning Condition: Onset
Space Weather Message Code: WARK04
Serial Number: 1578
Issue Time: 2008 Dec 22 1725 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Dec 22 1726 UTC
Valid To: 2008 Dec 22 2359 UTC
Warning Condition: Onset
Space Weather Message Code: ALTEF3
Serial Number: 1628
Issue Time: 2008 Dec 10 1319 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Dec 10 1255 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2050 pfu
Space Weather Message Code: ALTEF3
Serial Number: 1627
Issue Time: 2008 Dec 09 1105 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Dec 09 1050 UTC
Station: GOES-11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2640 pfu
Space Weather Message Code: ALTEF3
Serial Number: 1626
Issue Time: 2008 Dec 08 1100 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Dec 08 1045 UTC
Station: GOES-11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2880 pfu
Space Weather Message Code: ALTEF3
Serial Number: 1625
Issue Time: 2008 Dec 07 1130 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Dec 07 1115 UTC
Station: GOES-11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3650 pfu
Space Weather Message Code: ALTEF3
Serial Number: 1624
Issue Time: 2008 Dec 06 1806 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2008 Dec 06 1750 UTC
Station: GOES11
Observed Yesterday: No
Space Weather Message Code: ALTK04
Serial Number: 1396
Issue Time: 2008 Dec 06 1733 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Dec 06 1733 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: No
Space Weather Message Code: ALTK05
Serial Number: 623
Issue Time: 2008 Dec 06 0407 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2008 Dec 06 0406 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: No
NOAA Scale: G1 - Minor
Space Weather Message Code: ALTK04
Serial Number: 1395
Issue Time: 2008 Dec 06 0206 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Dec 06 0205 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: Yes
Space Weather Message Code: WARK04
Serial Number: 1577
Issue Time: 2008 Dec 06 0045 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Dec 06 0047 UTC
Valid To: 2008 Dec 06 1600 UTC
Warning Condition: Onset
Space Weather Message Code: ALTK05
Serial Number: 622
Issue Time: 2008 Dec 05 1119 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2008 Dec 05 1119 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor
Space Weather Message Code: WARK05
Serial Number: 644
Issue Time: 2008 Dec 05 1011 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2008 Dec 05 1011 UTC
Valid To: 2008 Dec 05 1600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
Space Weather Message Code: ALTK04
Serial Number: 1394
Issue Time: 2008 Dec 05 0955 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Dec 05 0954 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes
Space Weather Message Code: WARK04
Serial Number: 1576
Issue Time: 2008 Dec 05 0946 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2008 Dec 05 0947 UTC
Valid To: 2008 Dec 05 1600 UTC
Warning Condition: Onset
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