:Product: 0912SGAS.txt :Issued: 2021 Sep 12 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 255 Issued at 0245Z on 12 Sep 2021 This report is compiled from data received at SWO on 11 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None 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 092 SSN 093 Afr/Ap 008/007 X-ray Background 1.32e-8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.8e+00 GT 10 MeV 5.3e-01 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.36e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 1 2 1 2 2 2 2 Planetary 4 0 1 1 1 1 2 2 F. Comments: None