Viewing archive of Thursday, 30 April 2026

Geophysical report

Joint USAF/NOAA Solar and Geophysical Activity Summary

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0037 0043 0049  4420        C2.4     370                           
 0100 0108 0112  4425        C2.1     100                           
 0926 0926 0926                       200                           
 1245 1245 1245                       200                           
 2040 2045 2047  4420        C1.6     250                           
 2157 2157 2157                       100                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

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

10 cm 143  SSN 142  Afr/Ap 006/004   X-ray Background B8.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.8e+05   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.90e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices
Boulder 0 1 1 1 2 2 2 1 Planetary 0 1 1 1 2 1 2 2 

F. Comments

  None

All times in UTC

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