Space Weather

Issue Time: 2017 Sep 07 2257 UTC

WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2017 Sep 07 2300 UTC
Valid To: 2017 Sep 08 0600 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater – Strong to Extreme

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.

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Sun
Current SDO AIA 304 Image of the Sun

This post compiled using data gathered from NOAA and NASA.

About the author

Recipient of many prestigious NASA Awards including the Exceptional Public Service Medal and the Robert H. Goddard award. Experience includes working for NASA, as a contractor, in satellite design, construction and operations. Expert in the satellite operations concepts and ground systems including command, control, and science data processing.