Space Weather Message Code: WARK07
Serial Number: 66
Issue Time: 2016 May 08 2359 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2016 May 08 2355 UTC
Valid To: 2016 May 09 0400 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation
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.
Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the
Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact
SWPC Help.