:Product: 0219SGAS.txt :Issued: 2011 Feb 19 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 050 Issued at 0245Z on 19 Feb 2011 This report is compiled from data received at SWO on 18 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0114 0114 0114 480 0114 0114 0114 140 0154 0154 0154 800 0155 0155 0155 590 0502 0502 0503 550 0955 1011 1015 1162 M6.6 230 1058 1059 1059 210 1148 1148 1148 760 1259 1303 1306 1158 M1.4 1636 1639 1641 1162 C2.3 1902 1918 1928 1162 C7.1 2056 2104 2114 1162 M1.3 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was usettled to active with an isolated period of minor storm conditions at high latitudes. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 125 SSN 101 Afr/Ap 015/017 X-ray Background B8.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+06 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.40e+05 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 4 4 3 3 3 3 2 Planetary 3 4 5 3 3 3 2 1 F. Comments: None