Viewing archive of Tuesday, 16 December 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Dec 16 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 350 Issued at 0245Z on 16 Dec 2025 This report is compiled from data received at SWO on 15 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2206 2206 2206 130
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was mostly
quiet with an isolated unsettled period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 118 SSN 073 Afr/Ap 005/006 X-ray Background B5.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.3e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 0 1 1 3 2 1 1 Planetary 1 0 1 1 3 2 1 1
F. Comments
None.
All times in UTC
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