National Weather Service

Space Environment Warning
NWS Homepage
This page is being discontinued on March 12, 2014.
The same data is available at this site. Please update your bookmarks.
Thank you, and we apologize for the inconvenience.
Please send an email to with any concerns.

Current Version
Previous Version:    01  
WOXX32 KWNP 250415

Space Weather Message Code: WARPX1
Serial Number: 438
Issue Time: 2014 Oct 25 0411 UTC

CANCEL WARNING: Proton 10MeV Integral Flux above 10pfu expected
Cancel Serial Number: 437
Original Issue Time: 2014 Oct 24 2204 UTC

Comment: A greater than 10 MeV proton event is no longer expected.
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
# Send questions to

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE