Space Environment Alert
Issued by NWS
WOXX11 KWNP 231806
Space Weather Message Code: ALTK05
Serial Number: 1110
Issue Time: 2017 Apr 23 1802 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Apr 23 1759 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov