Space Weather Message Code: ALTEF3

Serial Number: 3678

Issue Time: 2026 Apr 17 0731 UTC



CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu

Continuation of Serial Number: 3677

Begin Time: 2026 Apr 03 0920 UTC

Yesterday Maximum 2MeV Flux: 2407 pfu






Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

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