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Space Weather Alerts

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Alerts Issued in October 2011


Space Weather Message Code: ALTK04
Serial Number: 1548
Issue Time: 2011 Oct 30 1657 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 30 1654 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1831
Issue Time: 2011 Oct 30 1607 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 30 1610 UTC
Valid To: 2011 Oct 31 0000 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1830
Issue Time: 2011 Oct 25 1151 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1829
Valid From: 2011 Oct 24 1830 UTC
Now Valid Until: 2011 Oct 25 2100 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK05
Serial Number: 735
Issue Time: 2011 Oct 25 0848 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 734
Valid From: 2011 Oct 24 2305 UTC
Now Valid Until: 2011 Oct 25 1200 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK06
Serial Number: 183
Issue Time: 2011 Oct 25 0740 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2011 Oct 25 0740 UTC
Valid To: 2011 Oct 25 0900 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate


Space Weather Message Code: WARK05
Serial Number: 734
Issue Time: 2011 Oct 25 0549 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 733
Valid From: 2011 Oct 24 2305 UTC
Now Valid Until: 2011 Oct 25 0900 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK04
Serial Number: 1829
Issue Time: 2011 Oct 25 0545 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1828
Valid From: 2011 Oct 24 1830 UTC
Now Valid Until: 2011 Oct 25 1200 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTK06
Serial Number: 274
Issue Time: 2011 Oct 24 2328 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2011 Oct 24 2327 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G2 - Moderate


Space Weather Message Code: WARK06
Serial Number: 182
Issue Time: 2011 Oct 24 2321 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2011 Oct 24 2325 UTC
Valid To: 2011 Oct 25 0300 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate


Space Weather Message Code: ALTK05
Serial Number: 671
Issue Time: 2011 Oct 24 2314 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2011 Oct 24 2314 UTC
Synoptic Period: 2100-2400 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK05
Serial Number: 733
Issue Time: 2011 Oct 24 2301 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2011 Oct 24 2305 UTC
Valid To: 2011 Oct 25 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1547
Issue Time: 2011 Oct 24 1917 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 24 1916 UTC
Synoptic Period: 1800-2100 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: SUMSUD
Serial Number: 135
Issue Time: 2011 Oct 24 1836 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2011 Oct 24 1832 UTC
Deviation: 13 nT
Station: Boulder


Space Weather Message Code: WARK04
Serial Number: 1828
Issue Time: 2011 Oct 24 1816 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 24 1830 UTC
Valid To: 2011 Oct 25 0600 UTC
Warning Condition: Onset


Space Weather Message Code: WARSUD
Serial Number: 92
Issue Time: 2011 Oct 24 1759 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2011 Oct 24 1830 UTC
Valid To: 2011 Oct 24 1850 UTC
IP Shock Passage Observed: 2011 Oct 24 1748 UTC


Space Weather Message Code: SUMPX1
Serial Number: 48
Issue Time: 2011 Oct 24 1207 UTC

SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
Begin Time: 2011 Oct 23 1500 UTC
Maximum Time: 2011 Oct 23 1535 UTC
End Time: 2011 Oct 23 1605 UTC
Maximum 10MeV Flux: 13 pfu
NOAA Scale: S1 - Minor


Space Weather Message Code: WARPX1
Serial Number: 331
Issue Time: 2011 Oct 23 2358 UTC

EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 330
Valid From: 2011 Oct 23 1455 UTC
Now Valid Until: 2011 Oct 24 1500 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S1 - Minor


Space Weather Message Code: ALTPX1
Serial Number: 281
Issue Time: 2011 Oct 23 1506 UTC

ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu
Begin Time: 2011 Oct 23 1505 UTC
NOAA Scale: S1 - Minor


Space Weather Message Code: WARPX1
Serial Number: 330
Issue Time: 2011 Oct 23 1502 UTC

WARNING: Proton 10MeV Integral Flux above 10pfu expected
Valid From: 2011 Oct 23 1455 UTC
Valid To: 2011 Oct 23 2359 UTC
Warning Condition: Onset
Predicted NOAA Scale: S1 - Minor


Space Weather Message Code: ALTTP4
Serial Number: 353
Issue Time: 2011 Oct 21 1349 UTC

ALERT: Type IV Radio Emission
Begin Time: 2011 Oct 21 1310 UTC


Space Weather Message Code: ALTTP2
Serial Number: 759
Issue Time: 2011 Oct 21 1339 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Oct 21 1258 UTC
Estimated Velocity: 789 km/s

Comment: Type II associated with an M1.3 at 21/1300Z from Region 1319 (N13W70).


Space Weather Message Code: WARK04
Serial Number: 1827
Issue Time: 2011 Oct 21 0508 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 21 0507 UTC
Valid To: 2011 Oct 21 0900 UTC
Warning Condition: Onset


Space Weather Message Code: ALTTP2
Serial Number: 758
Issue Time: 2011 Oct 16 1434 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Oct 16 1357 UTC
Estimated Velocity: 618 km/s


Space Weather Message Code: ALTTP4
Serial Number: 352
Issue Time: 2011 Oct 16 1434 UTC

ALERT: Type IV Radio Emission
Begin Time: 2011 Oct 16 1409 UTC


Space Weather Message Code: WARK04
Serial Number: 1826
Issue Time: 2011 Oct 09 0856 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1825
Valid From: 2011 Oct 08 2345 UTC
Now Valid Until: 2011 Oct 08 1500 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK04
Serial Number: 1825
Issue Time: 2011 Oct 09 0458 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1824
Valid From: 2011 Oct 08 2345 UTC
Now Valid Until: 2011 Oct 09 0900 UTC
Warning Condition: Onset


Space Weather Message Code: WARK05
Serial Number: 732
Issue Time: 2011 Oct 09 0400 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2011 Oct 09 0415 UTC
Valid To: 2011 Oct 09 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTK04
Serial Number: 1546
Issue Time: 2011 Oct 09 0348 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 09 0348 UTC
Synoptic Period: 0300-0600 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1824
Issue Time: 2011 Oct 08 2318 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 08 2345 UTC
Valid To: 2011 Oct 09 0600 UTC
Warning Condition: Onset


Space Weather Message Code: WARK04
Serial Number: 1823
Issue Time: 2011 Oct 05 2339 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1822
Valid From: 2011 Oct 05 0805 UTC
Now Valid Until: 2011 Oct 06 1200 UTC
Warning Condition: Persistence


Space Weather Message Code: ALTK05
Serial Number: 670
Issue Time: 2011 Oct 05 1703 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2011 Oct 05 1702 UTC
Synoptic Period: 1500-1800 UTC
Station: Boulder
Active Warning: Yes
NOAA Scale: G1 - Minor


Space Weather Message Code: WARK04
Serial Number: 1822
Issue Time: 2011 Oct 05 1316 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1821
Valid From: 2011 Oct 05 0805 UTC
Now Valid Until: 2011 Oct 05 2359 UTC
Warning Condition: Persistence


Space Weather Message Code: WARK05
Serial Number: 731
Issue Time: 2011 Oct 05 1315 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2011 Oct 05 1315 UTC
Valid To: 2011 Oct 05 2359 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor


Space Weather Message Code: ALTEF3
Serial Number: 1855
Issue Time: 2011 Oct 05 1311 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1854
Begin Time: 2011 Oct 02 1355 UTC
Yesterday Maximum 2MeV Flux: 3742 pfu


Space Weather Message Code: ALTK04
Serial Number: 1545
Issue Time: 2011 Oct 05 1237 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 05 1237 UTC
Synoptic Period: 1200-1500 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1821
Issue Time: 2011 Oct 05 0805 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 05 0805 UTC
Valid To: 2011 Oct 05 1500 UTC
Warning Condition: Onset


Space Weather Message Code: SUMSUD
Serial Number: 134
Issue Time: 2011 Oct 05 0800 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2011 Oct 05 0742 UTC
Deviation: 19 nT
Station: KBOU


Space Weather Message Code: ALTEF3
Serial Number: 1854
Issue Time: 2011 Oct 04 1106 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1853
Begin Time: 2011 Oct 02 1355 UTC
Yesterday Maximum 2MeV Flux: 2415 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1853
Issue Time: 2011 Oct 03 1101 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1852
Begin Time: 2011 Oct 02 1355 UTC
Yesterday Maximum 2MeV Flux: 1458 pfu


Space Weather Message Code: ALTEF3
Serial Number: 1852
Issue Time: 2011 Oct 02 1411 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2011 Oct 02 1355 UTC
Station: GOES15


Space Weather Message Code: ALTK04
Serial Number: 1544
Issue Time: 2011 Oct 02 1038 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 02 1038 UTC
Synoptic Period: 0900-1200 UTC
Station: Boulder
Active Warning: Yes


Space Weather Message Code: WARK04
Serial Number: 1820
Issue Time: 2011 Oct 02 1013 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Oct 02 1013 UTC
Valid To: 2011 Oct 02 1500 UTC
Warning Condition: Onset


Space Weather Message Code: ALTTP2
Serial Number: 757
Issue Time: 2011 Oct 01 1027 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Oct 01 0955 UTC
Estimated Velocity: 850 km/s


Space Weather Message Code: ALTTP4
Serial Number: 351
Issue Time: 2011 Oct 01 1022 UTC

ALERT: Type IV Radio Emission
Begin Time: 2011 Oct 01 0917 UTC


Space Weather Message Code: SUM10R
Serial Number: 520
Issue Time: 2011 Oct 01 1021 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2011 Oct 01 0947 UTC
Maximum Time: 2011 Oct 01 0951 UTC
End Time: 2011 Oct 01 0955 UTC
Duration: 8 minutes
Peak Flux: 180 sfu
Latest Penticton Noon Flux: 138 sfu


Space Weather Message Code: ALTTP2
Serial Number: 756
Issue Time: 2011 Oct 01 1015 UTC

ALERT: Type II Radio Emission
Begin Time: 2011 Oct 01 0906 UTC
Estimated Velocity: 620 km/s


Space Weather Message Code: WARK04
Serial Number: 1819
Issue Time: 2011 Oct 01 0521 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1818
Valid From: 2011 Sep 30 2330 UTC
Now Valid Until: 2011 Oct 01 0900 UTC
Warning Condition: Persistance


Space Weather Message Code: ALTK04
Serial Number: 1543
Issue Time: 2011 Oct 01 0159 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2011 Oct 01 0159 UTC
Synoptic Period: 0000-0300 UTC
Station: Boulder
Active Warning: Yes