:Product: 0222SGAS.txt :Issued: 2011 Feb 22 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 053 Issued at 0245Z on 22 Feb 2011 This report is compiled from data received at SWO on 21 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1539 1544 1555 1158 C1.5 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at mostly quiet levels for the past 24 hours with isolated active periods at high latitudes. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 097 SSN 060 Afr/Ap 007/007 X-ray Background B2.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.30e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 1 3 2 3 2 1 Planetary 2 2 1 2 2 2 2 2 F. Comments: None