:Product: 0910SGAS.txt :Issued: 2011 Sep 10 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 253 Issued at 0245Z on 10 Sep 2011 This report is compiled from data received at SWO on 09 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0142 0142 0143 150 0146 0203 0212 1283 N16W47 C1.2 Sf 160 0219 0219 0219 100 0225 0225 0225 100 0316 0316 0316 120 0339 0339 0340 120 0444 0444 0444 180 0601 0611 0617 1283 N16W47 M2.7 1n 120 62 II 1152 1152 1153 110 1200 1200 1200 120 1239 1249 1256 1283 N13W52 M1.2 1f 1533 1535 1535 140 1712 1712 1715 110 1745 1745 1745 110 2140 2140 2141 160 2148 2149 2149 130 2152 2152 2152 150 2158 2200 2200 100 2255 2255 2255 210 2259 2301 2302 470 2305 2305 2305 140 2305 2309 2320 1283 N17W55 C1.1 Sf 310 2326 2326 2326 360 2339 2339 2339 140 2351 0008 0033 1283 N16W44 Sf IV B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to severe storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 112 SSN 065 Afr/Ap 013/036 X-ray Background B4.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.0e+06 GT 10 MeV 3.2e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.10e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 0 1 5 6 4 4 Planetary 1 1 0 0 5 7 5 5 F. Comments: None