Viewing archive of Friday, 17 October 2025

Geophysical report

Solar and Geophysical Activity Summary 2025 Oct 17 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 290 Issued at 0245Z on 17 Oct 2025 This report is compiled from data received at SWO on 16 Oct
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0017 0021 0024  4246 N23W57 M1.1  Sf                               
 0135 0135 0135                       200                           
 0249 0249 0249                       140                           
 0532 0532 0532                       350                           
 0844 0849 0851  4246        C3.3     300                           
 0941 0949 0953  4246        C3.5     130                           
 1141 1203 1225  4246        C8.4     110                           
 1353 1408 1422  4246 N21W67 M1.3  Sf                               
 1824 1824 1826  4252 S13E12       Sf 110                           
 1900 1916 1936  4246 N22W68 M1.1  Sf                               
 2215 2215 2215                       120                           
 2238 2254 2302  4246 N22W68 C5.5  Sf 200                           
 2312 2319 2328  4246 N22W68 M1.0  Sf                               
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 161  SSN 132  Afr/Ap 003/004   X-ray Background C2.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.6e+06   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.40e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 1 2 1 1 1 2 Planetary 1 1 2 1 1 0 1 2 
F. Comments
  None.

All times in UTC

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