Viewing archive of Thursday, 16 October 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Oct 16 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 289 Issued at 0245Z on 16 Oct 2025 This report is compiled from data received at SWO on 15 OctA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0027 0027 0027 140 0034 0034 0034 120 0124 0144 0206 4246 N24W41 C7.7 1f 170 0228 0228 0228 180 0237 0237 0237 130 0337 0337 0337 100 0341 0345 0347 4246 C9.1 100 0349 0415 0436 4246 N24W41 M4.8 2n 110 0705 0718 0726 4246 N24W41 M3.7 1n 0906 0906 0906 490 1401 1410 1441 4246 M1.1 230 1521 1524 1532 270 180 1551 1551 1557 340 1600 1600 1602 110 1611 1612 1612 130 1743 1743 1743 170 1746 1746 1746 190 2155 2228 2305 4246 M2.7 120 2337 2345 2352 4246 N23W57 M2.4 Sf
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 162 SSN 106 Afr/Ap 009/012 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 3 3 3 2 2 1 1 Planetary 4 3 3 3 2 1 1 2
F. Comments
None.
All times in UTC
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