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Tuesday, March 17, 2015

INCOMING!! SEVERE (G4, K8) Solar Storm

This will be the biggest geomagnetic storm we've had for a while.

Space Weather Message Code: ALTK08
Serial Number: 18
Issue Time: 2015 Mar 17 1401 UTC

ALERT: Geomagnetic K-index of 8
Threshold Reached: 2015 Mar 17 1358 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G4 - Severe

NOAA Space Weather Scale descriptions can be found at

Potential Impacts: Area of impact primarily poleward
of 45 degrees Geomagnetic Latitude.

Induced Currents - Possible widespread voltage control
problems and some protective systems may mistakenly
trip out key assets from the power grid. Induced pipeline
currents intensify.

Spacecraft - Systems may experience surface charging;
increased drag on low earth orbit satellites, and
tracking and orientation problems may occur.

Navigation - Satellite navigation (GPS) degraded or
inoperable for hours.

Radio - HF (high frequency) radio propagation
sporadic or blacked out.

Aurora - Aurora may be seen as low as Alabama and
northern California.

Read more about INCOMING!! SEVERE (G4, K8) Solar Storm

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