:Product: 1227SGAS.txt :Issued: 2021 Dec 27 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 361 Issued at 0245Z on 27 Dec 2021 This report is compiled from data received at SWO on 26 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0101 0101 0101 100 0103 0103 0103 190 1413 1415 1415 150 2000 2012 2020 C3.2 350 2028 2028 2028 310 2322 2322 2322 200 2324 2324 2324 130 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 125 SSN 095 Afr/Ap 002/003 X-ray Background B6.7 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 8.50e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 1 1 1 1 2 2 1 Planetary 0 0 0 1 0 1 1 1 F. Comments: None.