Space Weather Strong Storm: Geomagnetic K-index of 7

Issue Time: 2015 Sep 20 0750 UTC

ALERT: Geomagnetic K-index of 7
Threshold Reached: 2015 Sep 20 0750 UTC
Synoptic Period: 0600-0900 UTC

Active Warning: Yes
NOAA Scale: G3 – Strong

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.

For more detailed current Space Weather visit KnowledgeOrb Space Weather at Currect Space Weather
Aurora viewing updates can be seen on the KnowledgeOrb Aurora viewing page. Aurora viewing

Sun
Current SDO AIA 304 Image of the Sun

This post compiled using data gathered from NOAA and NASA.

About the author

Contributor to KnowledgeOrb