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 2011


Space Weather Message Code: ALTTP2
Serial Number: 708
Issue Time: 2011 Jan 28 0148 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Jan 28 0101 UTC
Estimated Velocity: 732 km/s

Comment: Associated with M1 flare at 28/0103 UTC from Region 1149.


Space Weather Message Code: ALTTP2
Serial Number: 707
Issue Time: 2011 Jan 27 1347 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Jan 27 1208 UTC
Estimated Velocity: 901 km/s


Space Weather Message Code: ALTTP2
Serial Number: 706
Issue Time: 2011 Jan 27 1311 UTC

CANCEL ALERT: Type II Radio Emission
Cancel Serial Number: 705
Original Issue Time: 2011 Jan 27 1252 UTC

Comment: Incorrect time posted on event.


Space Weather Message Code: ALTTP2
Serial Number: 705
Issue Time: 2011 Jan 27 1252 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Jan 27 0708 UTC
Estimated Velocity: 901 km/s


Space Weather Message Code: ALTEF3
Serial Number: 1759
Issue Time: 2011 Jan 16 1341 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2011 Jan 16 1340 UTC
Station: GOES-13


Space Weather Message Code: ALTEF3
Serial Number: 1758
Issue Time: 2011 Jan 13 0941 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1757
Begin Time: 2011 Jan 08 1505 UTC
Yesterday Maximum 2MeV Flux: 3391 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1757
Issue Time: 2011 Jan 12 1033 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1756
Begin Time: 2011 Jan 08 1505 UTC
Yesterday Maximum 2MeV Flux: 2380 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1756
Issue Time: 2011 Jan 11 0853 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1755
Begin Time: 2011 Jan 08 1505 UTC
Yesterday Maximum 2MeV Flux: 2076 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1755
Issue Time: 2011 Jan 10 1221 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1754
Begin Time: 2011 Jan 08 1505 UTC
Yesterday Maximum 2MeV Flux: 3402 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1754
Issue Time: 2011 Jan 09 0731 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1753
Begin Time: 2011 Jan 08 1505 UTC
Yesterday Maximum 2MeV Flux: 1927 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1753
Issue Time: 2011 Jan 08 1522 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2011 Jan 08 1505 UTC
Station: GOES13


Space Weather Message Code: WARK05
Serial Number: 674
Issue Time: 2011 Jan 06 2305 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2011 Jan 06 2304 UTC
Valid To: 2011 Jan 07 1600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1491
Issue Time: 2011 Jan 06 2245 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Jan 06 2245 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1686
Issue Time: 2011 Jan 06 2208 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Jan 06 2210 UTC
Valid To: 2011 Jan 07 1600 UTC
Warning Condition: Onset