Thursday, June 25, 2015

ALERT: Geomagnetic K-index of 6

Space Weather Message Code: ALTK06 Serial Number: 348 Issue Time: 2015 Jun 25 0824 UTC

ALERT: Geomagnetic K-index of 6 Threshold Reached: 2015 Jun 25 0813 UTC Synoptic Period UTC

Active Warning: Yes NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at

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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