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Space Weather Message Code: WARK06
Serial Number: 214 Issue Time: 2012 Oct 13 0831 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2012 Oct 13 0830 UTC Valid To: 2012 Oct 13 1200 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales 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. |
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Thread | Thread Starter | Forum | Replies | Last Post |
WARNING: Geomagnetic K-index of 7 or greater expected -- Issue Time:2012 Oct 01 0243 UTC | Sam Wormley[_2_] | Amateur Astronomy | 0 | October 1st 12 04:00 AM |
WARNING: Geomagnetic K-Index of 6 expected -- Issue Time: 2012 Oct01 0140 UTC | Sam Wormley[_2_] | Amateur Astronomy | 0 | October 1st 12 02:45 AM |
WARNING: Geomagnetic K-index of 5 expected -- Issue Time: 2012 Jul06 2243 UTC | Sam Wormley[_2_] | Amateur Astronomy | 1 | July 7th 12 05:51 AM |
EXTENDED WARNING: Geomagnetic K-index of 5 expected -- Issue Time:2012 May 09 2355 UTC | Sam Wormley[_2_] | Amateur Astronomy | 0 | May 10th 12 01:02 AM |
WARNING: Geomagnetic K-index of 5 expected -- Issue Time: 2011 May29 1741 UTC | Sam Wormley[_2_] | Amateur Astronomy | 1 | May 29th 11 06:50 PM |