Space Environment Alert
Issued by NWS
Issued by NWS
731 WOXX04 KWNP 240931 ALTTP2 Space Weather Message Code: ALTTP2 Serial Number: 1479 Issue Time: 2026 Apr 24 0928 UTC ALERT: Type II Radio Emission Begin Time: 2026 Apr 24 0815 UTC Estimated Velocity: 1293 km/s Comment: Reissued with adjusted shock speed. Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event. # 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