Space Environment Warning
Issued by NWS

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WOXX32 KWNP 111201
WARPX1

Space Weather Message Code: WARPX1
Serial Number: 612
Issue Time: 2025 Nov 11 1156 UTC

EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 611
Valid From: 2025 Nov 10 1030 UTC
Now Valid Until: 2025 Nov 12 1200 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S1 - Minor
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.

# 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