Space Environment Alert
Issued by NWS
Issued by NWS
347 WOXX30 KWNP 290516 ALTEF3 Space Weather Message Code: ALTEF3 Serial Number: 3486 Issue Time: 2025 Jun 29 0511 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3485 Begin Time: 2025 Jun 27 1310 UTC Yesterday Maximum 2MeV Flux: 4190 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