NOAA / Space Weather Prediction Center

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Space Weather Alerts

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Alerts Issued in November 2010


Space Weather Message Code: ALTK04
Serial Number: 1487
Issue Time: 2010 Nov 27 2032 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2010 Nov 27 2032 UTC
Synoptic Period: 1800-2100 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1680
Issue Time: 2010 Nov 27 1903 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Nov 27 1905 UTC
Valid To: 2010 Nov 28 0300 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1750
Issue Time: 2010 Nov 20 1150 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1749
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 1640 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1749
Issue Time: 2010 Nov 19 1321 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1748
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 2028 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1748
Issue Time: 2010 Nov 18 0950 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1747
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 1489 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1747
Issue Time: 2010 Nov 17 1000 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1746
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 2180 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1746
Issue Time: 2010 Nov 16 1236 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1745
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 2038 pfu


Space Weather Message Code: WARK04
Serial Number: 1679
Issue Time: 2010 Nov 16 0735 UTC

CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 1678
Original Issue Time: 2010 Nov 16 0217 UTC

Comment: Conditions for this warning are no longer present.


Space Weather Message Code: WARK04
Serial Number: 1678
Issue Time: 2010 Nov 16 0217 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Nov 16 0218 UTC
Valid To: 2010 Nov 16 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1745
Issue Time: 2010 Nov 15 1142 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1744
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 1253 pfu


Space Weather Message Code: WARK04
Serial Number: 1677
Issue Time: 2010 Nov 14 2126 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Nov 14 2230 UTC
Valid To: 2010 Nov 15 1600 UTC
Warning Condition: Onset


Space Weather Message Code: WATA20
Serial Number: 464
Issue Time: 2010 Nov 14 2111 UTC

WATCH: Geomagnetic A-index of 20 or greater predicted
NOAA Scale: Periods reaching the G1 (Minor) Level Likely
Valid for UTC Day: 2010 Nov 15


Space Weather Message Code: ALTEF3
Serial Number: 1744
Issue Time: 2010 Nov 14 1245 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1743
Begin Time: 2010 Nov 13 1115 UTC
Yesterday Maximum 2MeV Flux: 2144 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1743
Issue Time: 2010 Nov 13 1131 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2010 Nov 13 1115 UTC
Station: GOES13


Space Weather Message Code: ALTTP2
Serial Number: 703
Issue Time: 2010 Nov 12 0408 UTC

ALERT: Type II Radio Emission
Begin Time: 2010 Nov 12 0139 UTC
Estimated Velocity: 505 km/s


Space Weather Message Code: ALTK04
Serial Number: 1486
Issue Time: 2010 Nov 11 2315 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2010 Nov 11 2315 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1676
Issue Time: 2010 Nov 11 2203 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Nov 11 2205 UTC
Valid To: 2010 Nov 12 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1485
Issue Time: 2010 Nov 11 1250 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2010 Nov 11 1250 UTC
Synoptic Period: 1200-1500 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1675
Issue Time: 2010 Nov 11 1024 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2010 Nov 11 1024 UTC
Valid To: 2010 Nov 11 1600 UTC
Warning Condition: Onset


Space Weather Message Code: SUM10R
Serial Number: 482
Issue Time: 2010 Nov 06 1623 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2010 Nov 06 1533 UTC
Maximum Time: 2010 Nov 06 1534 UTC
End Time: 2010 Nov 06 1535 UTC
Duration: 2 minutes
Peak Flux: 100 sfu
Latest Penticton Noon Flux: 83 sfu


Space Weather Message Code: SUMXM5
Serial Number: 73
Issue Time: 2010 Nov 06 1554 UTC

SUMMARY: X-ray Event exceeded M5
Begin Time: 2010 Nov 06 1527 UTC
Maximum Time: 2010 Nov 06 1536 UTC
End Time: 2010 Nov 06 1544 UTC
X-ray Class: M5.4
Optical Class: sf
Location: S18E47
NOAA Scale: R2 - Moderate


Space Weather Message Code: ALTXMF
Serial Number: 143
Issue Time: 2010 Nov 06 1539 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2010 Nov 06 1537 UTC
NOAA Scale: R2 - Moderate


Space Weather Message Code: ALTTP2
Serial Number: 702
Issue Time: 2010 Nov 03 1243 UTC

ALERT: Type II Radio Emission
Begin Time: 2010 Nov 03 1216 UTC
Estimated Velocity: 837 km/s