:Product: 0911SGAS.txt :Issued: 2021 Sep 11 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 254 Issued at 0245Z on 11 Sep 2021 This report is compiled from data received at SWO on 10 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1134 1134 1134 130 1143 1143 1143 130 1200 1200 1200 220 1346 1346 1346 140 1402 1402 1402 120 B. Proton Events: None C. Geomagnetic Activity Summary: Field conditions were at quiet to active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 096 SSN 099 Afr/Ap 009/007 X-ray Background B2.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.9e+05 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.70e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 3 1 2 3 2 4 Planetary 1 2 2 1 1 2 2 3 F. Comments: None