Bad Space Weather Forecast Today (Updated)

Space Weather Alert: Geomagnetic K-index of 8 (G4)

"Space Weather Message Code: WARK07
Serial Number: 47
Issue Time: 2015 Mar 17 1642 UTC

EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 46
Valid From: 2015 Mar 17 1215 UTC
Now Valid Until: 2015 Mar 17 1900 UTC
Warning Condition: Onset

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."

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This page contains a single entry by Keith Cowing published on March 17, 2015 12:42 PM.

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