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 August 2009


Space Weather Message Code: WARK06
Serial Number: 160
Issue Time: 2009 Aug 30 1641 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2009 Aug 30 1641 UTC
Valid To: 2009 Aug 30 2100 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate


Space Weather Message Code: ALTK05
Serial Number: 630
Issue Time: 2009 Aug 30 1618 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2009 Aug 30 1618 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK05
Serial Number: 648
Issue Time: 2009 Aug 30 1553 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2009 Aug 30 1552 UTC
Valid To: 2009 Aug 30 1800 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1421
Issue Time: 2009 Aug 30 1533 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Aug 30 1532 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: ALTK04
Serial Number: 1420
Issue Time: 2009 Aug 20 0407 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Aug 20 0402 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: ALTK04
Serial Number: 1419
Issue Time: 2009 Aug 06 0636 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Aug 06 0635 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: ALTK04
Serial Number: 1418
Issue Time: 2009 Aug 06 0539 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Aug 06 0538 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1593
Issue Time: 2009 Aug 06 0523 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2009 Aug 06 0530 UTC
Valid To: 2009 Aug 06 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1417
Issue Time: 2009 Aug 03 0844 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Aug 03 0844 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: No