Space Environment Warning
Issued by NWS

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WOXX32 KWNP 170830
WARPX1

Space Weather Message Code: WARPX1
Serial Number: 394
Issue Time: 2013 May 17 0825 UTC

EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 393
Valid From: 2013 May 15 1232 UTC
Now Valid Until: 2013 May 18 2300 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S1 - Minor

Comment: 10 MeV Proton levels continue to persist at about 25 pfu.
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/
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