NOAA / Space Weather Prediction Center

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Space Weather Alerts

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Alerts in Graphical Timelines: Past 7 days and Currently in Effect
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Alerts Issued in January 2010


Space Weather Message Code: WARK05
Serial Number: 650
Issue Time: 2010 Jan 20 1747 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2010 Jan 20 1800 UTC
Valid To: 2010 Jan 20 2000 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1428
Issue Time: 2010 Jan 20 1714 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2010 Jan 20 1708 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1598
Issue Time: 2010 Jan 20 1647 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Jan 20 1700 UTC
Valid To: 2010 Jan 20 2000 UTC
Warning Condition: Onset