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![]() Space Weather Message Code: ALTK06 Serial Number: 275 Issue Time: 2012 Mar 07 0852 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2012 Mar 07 0848 UTC Synoptic Period: 0600-0900 UTC Active Warning: Yes 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 Washinton state. |
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Thread | Thread Starter | Forum | Replies | Last Post |
ALERT: Geomagnetic K-index of 6 | Sam Wormley[_2_] | Amateur Astronomy | 3 | August 5th 10 12:11 AM |
ALERT: Geomagnetic K-index of 5 | Sam Wormley | Amateur Astronomy | 0 | March 14th 05 04:05 AM |
ALERT: Geomagnetic K-index of 6 | Sam Wormley | Amateur Astronomy | 4 | January 10th 05 02:30 PM |
ALERT: Geomagnetic K-index of 7 | Sam Wormley | Amateur Astronomy | 3 | January 22nd 04 03:06 PM |
ALERT: Geomagnetic K-index of 6 | Sam Wormley | Amateur Astronomy | 0 | January 22nd 04 02:17 PM |