Image: Reference photo · September 12, 2024; colorized ultraviolet; not this incident or current conditions · NASA/SDO · not current conditions · Original image source

Agency update: 2026-09-05T15:56:20.850Z

NOAA Space Weather Prediction Center bulletin:

Space Weather Message Code: ALTPC0
Serial Number: 58
Issue Time: 2026 Sep 05 1556 UTC

ALERT: Proton Event 100MeV Integral Flux exceeded 1pfu
Begin Time: 2026 Sep 05 1552 UTC
Comment:

This is a developing story; updates will be added as NOAA Space Weather Prediction Center issues them.

Source: NOAA Space Weather Prediction Center

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