:Product: 1224SGAS.txt :Issued: 2021 Dec 24 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 358 Issued at 0245Z on 24 Dec 2021 This report is compiled from data received at SWO on 23 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0437 0437 0437 700 0618 0618 0618 150 0620 0620 0620 310 0910 0910 0913 2907 S22W57 Sf 110 0913 0913 0913 140 1756 1756 1756 200 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 130 SSN 143 Afr/Ap 002/002 X-ray Background B8.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.5e+04 GT 10 MeV 4.3e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.10e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 1 1 2 2 1 Planetary 2 0 0 0 0 0 1 1 F. Comments: None.