:Product: 1229SGAS.txt :Issued: 2021 Dec 29 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 363 Issued at 0245Z on 29 Dec 2021 This report is compiled from data received at SWO on 28 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0348 0349 0349 120 0350 0401 0410 2918 M1.8 120 0421 0421 0421 160 0522 0522 0522 110 0643 0643 0643 120 1250 1250 1250 180 1503 1514 1532 2918 C1.0 170 1559 1611 1620 2918 N20W28 M1.6 Sf 1832 1832 1833 230 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 121 SSN 107 Afr/Ap 006/007 X-ray Background B5.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.6e+04 GT 10 MeV 4.4e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.90e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 3 2 2 2 1 1 Planetary 1 3 3 2 1 2 0 1 F. Comments: None