Viewing archive of Tuesday, 21 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
 0102 0102 0102                       100                           
 0510 0527 0538  4248        M1.0                                   
 0608 0608 0609                       130                           
 1158 1200 1200                       100                           
 1207 1207 1207                       110                           
 1222 1222 1222                       130                           
 1228 1228 1228                       110                           
 1751 1751 1751                       100                           
 1807 1807 1807                       120                           
 1906 1906 1906                       100                           
 1910 1910 1911                       120                           
 1921 1921 1921                       110                           
 2004 2005 2005                       140                           
 2041 2041 2042                       100                           
 2159 2159 2159                       100                           
 2208 2208 2208                       110                           
 2316 2324 2333              C2.1     250                           
 2337 2337 2337                       220                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

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

10 cm 140  SSN 109  Afr/Ap 006/008   X-ray Background C1.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.0e+05   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.30e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 3 3 1 2 3 2 2 Planetary 3 3 2 2 2 1 1 2 

F. Comments

  None

All times in UTC

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