ZSE Space Weather

Plaese go to the Space Weather Prediction Center for more information. Please note: 
Items in grey italics apparently are older than 24 hours

640
WOXX13 KWNP 192056
WARK04

Space Weather Message Code: WARK04
Serial Number: 4880
Issue Time: 2025 Mar 19 2052 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4879
Valid From: 2025 Mar 17 0345 UTC
Now Valid Until: 2025 Mar 20 0600 UTC
Warning Condition: Persistence
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

# 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

045
WOXX11 KWNP 192041
WARK05

Space Weather Message Code: WARK05
Serial Number: 1995
Issue Time: 2025 Mar 19 2039 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025 Mar 19 2039 UTC
Valid To: 2025 Mar 20 0300 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
www.swpc.noaa.gov/noaa-scales-explanation
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