Space Environment Alert
Issued by NWS
Issued by NWS
954 WOXX30 KWNP 300521 ALTEF3 Space Weather Message Code: ALTEF3 Serial Number: 3487 Issue Time: 2025 Jun 30 0515 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3486 Begin Time: 2025 Jun 27 1310 UTC Yesterday Maximum 2MeV Flux: 6349 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems. # 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