Viewing archive of Tuesday, 7 October 2025

Geophysical report

Joint USAF/NOAA Solar and Geophysical Activity Summary

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0820 0820 0820                       160                           
 0838 0849 0924  4241        C1.9     600                           
 1655 1655 1655                       290                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

E. Daily Indices: (real-time preliminary/estimated values)

10 cm 133  SSN 136  Afr/Ap 005/006   X-ray Background B8.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.6e+06   GT 10 MeV 2.0e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.00e+09 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 0 1 1 2 2 2 2 Planetary 1 1 1 1 2 2 2 2 

F. Comments

  The greater than 2 MeV electron fluence reached very
high levels.

All times in UTC

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