:Product: 1223SGAS.txt :Issued: 2011 Dec 23 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 357 Issued at 0245Z on 23 Dec 2011 This report is compiled from data received at SWO on 22 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0017 0017 0017 190 0100 0100 0100 230 0156 0208 0220 1381 S19W18 C5.4 Sf II/IV 0226 0226 0226 100 0622 0951 IV 0819 0819 0819 110 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet at all latitudes. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 146 SSN 105 Afr/Ap 004/002 X-ray Background B7.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 8.30e+05 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 0 0 1 2 1 2 Planetary 2 1 0 0 0 0 1 1 F. Comments: None