:Product: 0910SGAS.txt :Issued: 2021 Sep 10 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 253 Issued at 0245Z on 10 Sep 2021 This report is compiled from data received at SWO on 09 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0106 0106 0106 160 0418 0418 0418 120 1209 1209 1209 140 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 100 SSN 124 Afr/Ap 007/004 X-ray Background B2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.6e+04 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.00e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 1 1 2 1 2 2 Planetary 1 1 1 1 1 0 1 2 F. Comments: None