:Product: 1225SGAS.txt :Issued: 2021 Dec 25 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 359 Issued at 0245Z on 25 Dec 2021 This report is compiled from data received at SWO on 24 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1133 1212 1236 2908 S21W58 C5.2 Sf 210 1242 1242 1242 110 1813 1813 1813 160 1821 1821 1821 150 2017 2017 2017 160 2256 2307 2320 2908 C1.8 160 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 126 SSN 145 Afr/Ap 003/003 X-ray Background B7.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.9e+04 GT 10 MeV 4.3e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.20e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 2 2 2 2 1 Planetary 0 0 0 1 1 1 1 1 F. Comments: None.