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 July 2009


Space Weather Message Code: ALTEF3
Serial Number: 1644
Issue Time: 2009 Jul 26 2228 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2009 Jul 26 2225 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1130 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1643
Issue Time: 2009 Jul 25 1743 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2009 Jul 25 1725 UTC
Station: GOES11
Observed Yesterday: No


Space Weather Message Code: ALTK05
Serial Number: 629
Issue Time: 2009 Jul 22 0922 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2009 Jul 22 0918 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK05
Serial Number: 647
Issue Time: 2009 Jul 22 0911 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2009 Jul 22 0912 UTC
Valid To: 2009 Jul 22 1600 UTC
Warning Condition: Persistence
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK05
Serial Number: 628
Issue Time: 2009 Jul 22 0840 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2009 Jul 22 0840 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: No
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK05
Serial Number: 627
Issue Time: 2009 Jul 22 0346 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2009 Jul 22 0345 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1416
Issue Time: 2009 Jul 22 0315 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Jul 22 0315 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK05
Serial Number: 646
Issue Time: 2009 Jul 22 0310 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2009 Jul 22 0315 UTC
Valid To: 2009 Jul 22 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK04
Serial Number: 1592
Issue Time: 2009 Jul 22 0305 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2009 Jul 22 0310 UTC
Valid To: 2009 Jul 22 1600 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1591
Issue Time: 2009 Jul 14 0211 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2009 Jul 14 0215 UTC
Valid To: 2009 Jul 14 0600 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTK04
Serial Number: 1415
Issue Time: 2009 Jul 14 0210 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2009 Jul 14 0210 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: No