Viewing archive of Friday, 12 December 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Dec 12 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 346 Issued at 0245Z on 12 Dec 2025 This report is compiled from data received at SWO on 11 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0330 0330 0330 430 0629 0629 0629 840 0919 0929 0932 4294 S19W73 C2.4 Sf 220 1527 1527 1528 240
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from
quiet to major storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 146 SSN 123 Afr/Ap 017/026 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.7e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 4 2 3 4 4 1 Planetary 6 5 2 2 2 4 5 3
F. Comments
None
All times in UTC
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