:Product: 0323SGAS.txt :Issued: 2011 Mar 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 082 Issued at 0245Z on 23 Mar 2011 This report is compiled from data received at SWO on 22 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0320 0325 0329 C1.9 0644 0645 0645 100 1015 1016 1017 310 1858 1858 1858 190 1951 1951 1951 170 1957 1957 1957 140 B. Proton Events: The greater than 10 MeV proton event at geosynchronous orbit that began at 21/1950Z reached a maximum flux of 14 pfu at 22/0130Z and ended at 22/0335Z. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 100 SSN 031 Afr/Ap 005/006 X-ray Background B4.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+06 GT 10 MeV 3.5e+05 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 4.10e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 2 2 3 1 1 1 Planetary 3 3 1 1 2 1 0 1 F. Comments: None