NOAA / Space Weather Prediction Center

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Space Weather Alerts

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Alerts Issued in October 2007


Space Weather Message Code: ALTEF3
Serial Number: 1394
Issue Time: 2007 Oct 31 0828 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 31 0805 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2460 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1393
Issue Time: 2007 Oct 30 1202 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 30 1140 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 14900 pfu


Space Weather Message Code: ALTK04
Serial Number: 1311
Issue Time: 2007 Oct 29 2134 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 29 2132 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1450
Issue Time: 2007 Oct 29 2057 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 29 2057 UTC
Valid To: 2007 Oct 30 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1392
Issue Time: 2007 Oct 29 0504 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 29 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 18700 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1391
Issue Time: 2007 Oct 28 0502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 28 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 8630 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1390
Issue Time: 2007 Oct 27 1026 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 27 1010 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1060 pfu


Space Weather Message Code: WARK04
Serial Number: 1449
Issue Time: 2007 Oct 26 2224 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1448
Valid From: 2007 Oct 25 1515 UTC
Now Valid Until: 2007 Oct 27 1600 UTC
Warning Condition: persistence


Space Weather Message Code: ALTEF3
Serial Number: 1389
Issue Time: 2007 Oct 26 2222 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 26 2200 UTC
Station: GOES12
Observed Yesterday: No


Space Weather Message Code: WARK04
Serial Number: 1448
Issue Time: 2007 Oct 26 1406 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1447
Valid From: 2007 Oct 25 1515 UTC
Now Valid Until: 2007 Oct 26 2359 UTC
Warning Condition: persistence


Space Weather Message Code: ALTK05
Serial Number: 597
Issue Time: 2007 Oct 25 1724 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2007 Oct 25 1720 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK05
Serial Number: 615
Issue Time: 2007 Oct 25 1609 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2007 Oct 25 1615 UTC
Valid To: 2007 Oct 25 2359 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1310
Issue Time: 2007 Oct 25 1604 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 25 1600 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1447
Issue Time: 2007 Oct 25 1506 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 25 1515 UTC
Valid To: 2007 Oct 26 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1388
Issue Time: 2007 Oct 25 1231 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 25 1215 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1600 pfu


Space Weather Message Code: SUMSUD
Serial Number: 85
Issue Time: 2007 Oct 25 1212 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2007 Oct 25 1138 UTC
Deviation: 15 nT
Station: Boulder


Space Weather Message Code: ALTEF3
Serial Number: 1387
Issue Time: 2007 Oct 24 1622 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 24 1600 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1620 pfu


Space Weather Message Code: WATA20
Serial Number: 446
Issue Time: 2007 Oct 23 2115 UTC

WATCH: Geomagnetic A-index of 20 or greater predicted
Valid for UTC Day: 2007 Oct 26


Space Weather Message Code: ALTEF3
Serial Number: 1386
Issue Time: 2007 Oct 23 1502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 23 1425 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3090 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1385
Issue Time: 2007 Oct 22 1017 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 22 1000 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 1050 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1384
Issue Time: 2007 Oct 21 1139 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 21 1120 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 2990 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1383
Issue Time: 2007 Oct 20 1123 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 20 1105 UTC
Station: GOES12
Observed Yesterday: No


Space Weather Message Code: ALTK04
Serial Number: 1309
Issue Time: 2007 Oct 20 0118 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 20 0116 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1446
Issue Time: 2007 Oct 20 0022 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 20 0023 UTC
Valid To: 2007 Oct 20 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1308
Issue Time: 2007 Oct 19 1420 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 19 1418 UTC
Synoptic Period: 1200-1500 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1445
Issue Time: 2007 Oct 19 1348 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 19 1340 UTC
Valid To: 2007 Oct 19 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTK04
Serial Number: 1307
Issue Time: 2007 Oct 18 1122 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 18 1122 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1444
Issue Time: 2007 Oct 18 1118 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 18 1118 UTC
Valid To: 2007 Oct 18 1400 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1382
Issue Time: 2007 Oct 12 1203 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 12 1145 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3330 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1381
Issue Time: 2007 Oct 11 0504 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 11 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3160 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1380
Issue Time: 2007 Oct 10 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 10 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 3920 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1379
Issue Time: 2007 Oct 09 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 09 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 6300 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1378
Issue Time: 2007 Oct 08 0506 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 08 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 7170 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1377
Issue Time: 2007 Oct 07 0504 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 07 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 7950 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1376
Issue Time: 2007 Oct 06 0502 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 06 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 8280 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1375
Issue Time: 2007 Oct 05 0509 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 05 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 8650 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1374
Issue Time: 2007 Oct 04 1127 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 04 1110 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 4490 pfu


Space Weather Message Code: WARK04
Serial Number: 1443
Issue Time: 2007 Oct 03 1556 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 03 1600 UTC
Valid To: 2007 Oct 04 1600 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTK04
Serial Number: 1306
Issue Time: 2007 Oct 03 0531 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2007 Oct 03 0532 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1442
Issue Time: 2007 Oct 03 0530 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2007 Oct 03 0530 UTC
Valid To: 2007 Oct 03 1600 UTC
Warning Condition: Onset


Space Weather Message Code: ALTEF3
Serial Number: 1373
Issue Time: 2007 Oct 03 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 03 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 33500 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1372
Issue Time: 2007 Oct 02 0500 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 02 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 38400 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1371
Issue Time: 2007 Oct 01 0501 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2007 Oct 01 0500 UTC
Station: GOES12
Observed Yesterday: Yes
Yesterday Maximum 2MeV Flux: 15200 pfu