National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Space Environment Alert
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WOXX04 KWNP 031646
ALTTP2

Space Weather Message Code: ALTTP2
Serial Number: 1527
Issue Time: 2026 Sep 03 1644 UTC

ALERT: Type II Radio Emission
Begin Time: 2026 Sep 03 1629 UTC
Estimate Velocity: 1,359 km/s

Comment:

# 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