:Product: 0121SGAS.txt :Issued: 2024 Jan 21 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 021 Issued at 0245Z on 21 Jan 2024 This report is compiled from data received at SWO on 20 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0239 0239 0239 110 0246 0246 0246 110 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 166 SSN 144 Afr/Ap 004/006 X-ray Background B7.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.3e+04 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.40e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 2 2 3 2 1 2 Planetary 1 2 1 1 2 2 2 1 F. Comments: None.