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
Alerts in Text Format: Current month and Previous month

Alerts Issued in January 2009


Space Weather Message Code: SUMSUD
Serial Number: 92
Issue Time: 2009 Jan 30 2200 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2009 Jan 30 2156 UTC
Deviation: 9 nT
Station: Boulder


Space Weather Message Code: ALTK04
Serial Number: 1400
Issue Time: 2009 Jan 26 0147 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Jan 26 0145 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: SUMSUD
Serial Number: 91
Issue Time: 2009 Jan 25 2231 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2009 Jan 25 2225 UTC
Deviation: 12 nT
Station: Boulder


Space Weather Message Code: ALTK04
Serial Number: 1399
Issue Time: 2009 Jan 19 0219 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Jan 19 0218 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: SUMSUD
Serial Number: 90
Issue Time: 2009 Jan 14 0127 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2009 Jan 14 0121 UTC
Deviation: 13 nT
Station: Boulder


Space Weather Message Code: ALTK04
Serial Number: 1398
Issue Time: 2009 Jan 03 0931 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Jan 03 0926 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: no