:Product: 0131SGAS.txt :Issued: 2012 Jan 31 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 031 Issued at 0245Z on 31 Jan 2012 This report is compiled from data received at SWO on 30 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: The greater than 10 MeV proton event that began at 27/1905Z and reached a peak of 796 pfu at 28/0205Z, is still in progress. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled during the past 24 hours. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 114 SSN 076 Afr/Ap 005/007 X-ray Background B2.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+07 GT 10 MeV 3.4e+06 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) Daily Electron Fluence GT 2 MeV 3.80e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) 3 Hour K-indices: Boulder 0 0 1 0 1 3 3 2 Planetary 0 0 1 0 1 3 3 3 F. Comments: None