:Product: 0908SGAS.txt :Issued: 2021 Sep 08 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 251 Issued at 0245Z on 08 Sep 2021 This report is compiled from data received at SWO on 07 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0145 0156 0206 2866 B7.3 130 0954 0956 0958 220 1057 1057 1057 120 1150 1201 1205 2866 S20E28 B4.7 Sf 100 1234 1234 1235 120 1244 1244 1245 120 1246 1257 1308 B3.7 130 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 101 SSN 085 Afr/Ap 010/009 X-ray Background B2.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.3e+05 GT 10 MeV 4.6e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 2 3 2 3 2 4 Planetary 1 0 1 2 1 2 3 4 F. Comments: None