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Geophysical report

Solar and Geophysical Activity Summary 2025 Mar 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 077 Issued at 0245Z on 18 Mar 2025 This report is compiled from data received at SWO on 17 Mar
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0233 0233 0233                       140                           
 0254 0254 0254                       120                           
 0444 0444 0444                       110                           
 0535 0535 0536                       120                           
 0637 0646 0654  4034        C2.4     350                           
 0810 0817 0824  4019 N03W54 C2.9  Sf 310                           
 1925 1933 1940  4033        M1.0                                   
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled with an isolated active period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 204  SSN 189  Afr/Ap 014/014   X-ray Background C1.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.7e+05   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.70e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 3 3 2 3 3 3 3 Planetary 3 3 3 2 3 4 3 3 
F. Comments
  None

All times in UTC

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