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Space Weather Alerts

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Alerts Issued in December 2007


Space Weather Message Code: ALTEF3
Serial Number: 1427
Issue Time: 2007 Dec 31 1242 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 31 1220 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2230 pfu


Space Weather Message Code: ALTTP4
Serial Number: 313
Issue Time: 2007 Dec 31 0229 UTC

ALERT: Type IV Radio Emission
Begin Time: 2007 Dec 31 0059 UTC


Space Weather Message Code: ALTTP2
Serial Number: 690
Issue Time: 2007 Dec 31 0133 UTC

ALERT: Type II Radio Emission
Begin Time: 2007 Dec 31 0053 UTC
Estimated Velocity: 682 km/s


Space Weather Message Code: ALTEF3
Serial Number: 1426
Issue Time: 2007 Dec 30 1152 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 30 1130 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1470 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1425
Issue Time: 2007 Dec 29 1326 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 29 1305 UTC
Station: GOES12
Observed Yesterday: No


Space Weather Message Code: ALTEF3
Serial Number: 1424
Issue Time: 2007 Dec 27 1553 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 27 1530 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 6370 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1423
Issue Time: 2007 Dec 26 0502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 26 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 6140 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1422
Issue Time: 2007 Dec 25 0526 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 25 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 7490 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1421
Issue Time: 2007 Dec 24 0502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 24 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 9130 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1420
Issue Time: 2007 Dec 23 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 23 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 9080 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1419
Issue Time: 2007 Dec 22 0504 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 22 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 6380 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1418
Issue Time: 2007 Dec 21 0942 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 21 0920 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 22700 pfu


Space Weather Message Code: WARK04
Serial Number: 1465
Issue Time: 2007 Dec 20 2356 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1464
Valid From: 2007 Dec 20 0506 UTC
Now Valid Until: 2007 Dec 21 1600 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1464
Issue Time: 2007 Dec 20 1543 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1463
Valid From: 2007 Dec 20 0506 UTC
Now Valid Until: 2007 Dec 20 2359 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1317
Issue Time: 2007 Dec 20 0507 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Dec 20 0507 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1463
Issue Time: 2007 Dec 20 0506 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Dec 20 0506 UTC
Valid To: 2007 Dec 20 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1417
Issue Time: 2007 Dec 20 0502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 20 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 8910 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1416
Issue Time: 2007 Dec 19 0511 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 19 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2210 pfu


Space Weather Message Code: WARK04
Serial Number: 1462
Issue Time: 2007 Dec 18 2335 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1461
Valid From: 2007 Dec 17 0700 UTC
Now Valid Until: 2007 Dec 19 1600 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK04
Serial Number: 1461
Issue Time: 2007 Dec 18 1551 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1460
Valid From: 2007 Dec 17 0700 UTC
Now Valid Until: 2007 Dec 18 2359 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTEF3
Serial Number: 1415
Issue Time: 2007 Dec 18 1330 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 18 1315 UTC
Station: GOES12
Observed Yesterday: No


Space Weather Message Code: WARK04
Serial Number: 1460
Issue Time: 2007 Dec 17 2308 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1459
Valid From: 2007 Dec 17 0700 UTC
Now Valid Until: 2007 Dec 18 1600 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK04
Serial Number: 1459
Issue Time: 2007 Dec 17 1602 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1458
Valid From: 2007 Dec 17 0700 UTC
Now Valid Until: 2007 Dec 17 2359 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK05
Serial Number: 618
Issue Time: 2007 Dec 17 0919 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2007 Dec 17 0920 UTC
Valid To: 2007 Dec 17 1600 UTC
Warning Condition: Persistence
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK05
Serial Number: 599
Issue Time: 2007 Dec 17 0904 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2007 Dec 17 0900 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: No
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1316
Issue Time: 2007 Dec 17 0855 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Dec 17 0855 UTC
Synoptic Period: 0600-0900 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1458
Issue Time: 2007 Dec 17 0655 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Dec 17 0700 UTC
Valid To: 2007 Dec 17 1600 UTC
Warning Condition: Onset


Space Weather Message Code: SUMSUD
Serial Number: 87
Issue Time: 2007 Dec 17 0301 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2007 Dec 17 0300 UTC
Deviation: 14 nT
Station: Boulder


Space Weather Message Code: WARSUD
Serial Number: 65
Issue Time: 2007 Dec 17 0229 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2007 Dec 17 0330 UTC
Valid To: 2007 Dec 17 0400 UTC
IP Shock Passage Observed: 2007 Dec 17 0227 UTC


Space Weather Message Code: ALTEF3
Serial Number: 1414
Issue Time: 2007 Dec 15 1711 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 15 1645 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1500 pfu


Space Weather Message Code: WATA20
Serial Number: 447
Issue Time: 2007 Dec 14 1840 UTC

WATCH: Geomagnetic A-index of 20 or greater predicted
Valid for UTC Day: 2007 Dec 17


Space Weather Message Code: ALTEF3
Serial Number: 1413
Issue Time: 2007 Dec 14 1519 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 14 1500 UTC
Station: GOES11
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1760 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1412
Issue Time: 2007 Dec 13 1652 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 13 1610 UTC
Station: GOES11
Observed Yesterday: No


Space Weather Message Code: ALTK04
Serial Number: 1315
Issue Time: 2007 Dec 12 1054 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Dec 12 1053 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1457
Issue Time: 2007 Dec 12 1043 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Dec 12 1045 UTC
Valid To: 2007 Dec 12 1600 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1456
Issue Time: 2007 Dec 10 2319 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Dec 10 2325 UTC
Valid To: 2007 Dec 11 1600 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTK04
Serial Number: 1314
Issue Time: 2007 Dec 10 2312 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Dec 10 2305 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: No


Space Weather Message Code: ALTEF3
Serial Number: 1411
Issue Time: 2007 Dec 04 0911 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 04 0855 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1340 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1410
Issue Time: 2007 Dec 03 1312 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 03 1255 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1700 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1409
Issue Time: 2007 Dec 02 1031 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 02 1010 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2090 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1408
Issue Time: 2007 Dec 01 0952 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Dec 01 0930 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 4950 pfu