Viewing archive of Saturday, 20 September 2025

Geophysical report

Joint USAF/NOAA Solar and Geophysical Activity Summary

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0903 0903 0903                       130                           
 2049 2112 2120  4216 N09W25 C5.8  3n                               
 2122 2141 2156  4216        M1.5                                   

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

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

10 cm 160  SSN 158  Afr/Ap 007/007   X-ray Background C1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.6e+06   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 2.90e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 0 1 2 1 1 1 Planetary ? ? ? ? ? ? ? ? 

F. Comments

  None

All times in UTC

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