Viewing archive of Monday, 20 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
 0146 0156 0204  4246        M1.0                                   
 1226 1242 1304  4256        C2.6     510                           
 1402 1402 1402                       120                           
 1417 1417 1417                       100                           
 1434 1434 1434                       110                           
 1446 1446 1447                       120                           
 1451 1451 1453                       180                           
 1505 1506 1506                       100                           
 1732 1732 1732                       110                           
 2003 2015 2026  4246        M1.8                                   
 2130 2130 2131                       180                           
 2134 2134 2134                       110                           
 2145 2145 2145                       160                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

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

10 cm 149  SSN 103  Afr/Ap 011/018   X-ray Background C1.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.2e+05   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.60e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 2 2 2 4 4 3 3 Planetary 5 3 2 3 3 3 3 3 

F. Comments

  None

All times in UTC

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