:Product: 0909SGAS.txt :Issued: 2021 Sep 09 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 252 Issued at 0245Z on 09 Sep 2021 This report is compiled from data received at SWO on 08 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1042 1042 1042 160 1045 1046 1046 200 1050 1050 1051 240 1057 1057 1057 100 1102 1102 1103 210 1109 1111 1111 180 1213 1221 1225 B8.9 130 1635 1635 1635 130 1701 1701 1701 100 1711 1730 1749 2866 S16E12 C8.3 1n 120 1824 1825 1825 140 1828 1828 1830 360 1838 1838 1838 110 2342 0009 0033 2864 N22W38 C2.3 Sf II/IV B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 100 SSN 087 Afr/Ap 014/014 X-ray Background B2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.4e+05 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.50e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 5 4 3 2 1 Planetary 4 2 3 4 3 2 2 2 F. Comments: None