First published 10/4/2026, 9:02:15 PM · Last updated 10/4/2026, 9:02:15 PM

Extended Warning: Proton 10MeV Integral Flux above 10pfu expected

An extended warning reports that proton 10MeV integral flux above 10pfu is expected. It is valid until 2026-09-06 12:00 UTC; additional details were not included in the source data received by Planet Briefing.

Illustrative image: International Space Station (ISS) — NASA/MSFC/NASA Image and Video Library, NASA Media Usage Guidelines

Categories: science-and-space

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 5/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 1/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 1/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 5/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 3/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The warning identifies an expected proton-flux threshold exceedance but provides no effects or recommended actions.

Sources

Extended Warning: Proton 10MeV Integral Flux above 10pfu expectedNOAA/NWS Space Weather Prediction Center Usage terms

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