Viewing archive of Saturday, 25 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
 0051 0107 0113  4419        X2.4     1700   570                    
 0214 0214 0214                       140                           
 0214 0214 0217                       130                           
 0250 0250 0250                       100                           
 0254 0254 0255                       110                           
 0522 0530 0543  4419        C3.1     130                           
 0801 0813 0818  4419 N19W73 X2.5  2b 16000  570    II              
 0840      0948                                        IV           
 0857 0907 0919  4223        M1.9                                   
 1234 1301 1314  4423 S04E37 M1.7  Sf                               
 1754 1815 1830  4419 N18W80 M6.4  1f 150                           
 2031 2031 2031                       780                           

B. Proton Events

C. Geomagnetic Activity Summary

D. Stratwarm

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

10 cm 146  SSN 123  Afr/Ap 008/009   X-ray Background C1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.1e+05   GT 10 MeV 2.1e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 2.50e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices
Boulder 2 1 2 1 2 2 2 2 Planetary 3 1 2 1 2 1 3 3 

F. Comments

  None.

All times in UTC

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