:Product: 1231SGAS.txt :Issued: 2021 Dec 31 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 365 Issued at 0245Z on 31 Dec 2021 This report is compiled from data received at SWO on 30 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0015 0024 0031 2921 N31W54 B7.7 Sf 150 0315 0315 0315 130 0521 0522 0522 570 0610 0610 0610 100 0620 0620 0620 100 0945 0947 0947 150 1018 1018 1018 100 1108 1108 1108 150 1329 1329 1329 120 B. Proton Events: None C. Geomagnetic Activity Summary: Field conditions were at quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 102 SSN 077 Afr/Ap 007/006 X-ray Background B2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.3e+05 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.70e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 1 3 2 2 2 1 Planetary 2 1 1 2 2 1 1 1 F. Comments: None