Space Weather Message Code: SUMPX1 Serial Number: 76 Issue Time: 2014 Sep 13 0700 UTC SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu Begin Time: 2014 Sep 11 0240 UTC Maximum Time: 2014 Sep 12 1555 UTC End Time: 2014 Sep 12 2310 UTC Maximum 10MeV Flux: 126 pfu NOAA Scale: S2 - Moderate Space Weather Message Code: WARK07 Serial Number: 44 Issue Time: 2014 Sep 13 0648 UTC EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected Extension to Serial Number: 43 Valid From: 2014 Sep 12 2306 UTC Now Valid Until: 2014 Sep 13 1600 UTC Warning Condition: Persistence Comment: Extended warning due to continued potential for geomagnetic storming from the 10 Sep CME. Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude. Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices. Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur. Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur. Radio - HF (high frequency) radio may be intermittent. Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon. Space Weather Message Code: WARK06 Serial Number: 247 Issue Time: 2014 Sep 13 0648 UTC EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 246 Valid From: 2014 Sep 12 1545 UTC Now Valid Until: 2014 Sep 13 1600 UTC Warning Condition: Persistence Comment: Warning extended due to potential for further geomagnetic effects from the 10 Sep CME. Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state. Space Weather Message Code: ALTK07 Serial Number: 88 Issue Time: 2014 Sep 12 2309 UTC ALERT: Geomagnetic K-index of 7 Threshold Reached: 2014 Sep 12 2302 UTC Synoptic Period: 2100-2400 UTC Active Warning: Yes NOAA Scale: G3 - Strong Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude. Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices. Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur. Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur. Radio - HF (high frequency) radio may be intermittent. Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Posted on: Sat, 13 Sep 2014 14:55:15 +0000
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