:Product: 0905SGAS.txt :Issued: 2012 Sep 05 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 249 Issued at 0245Z on 05 Sep 2012 This report is compiled from data received at SWO on 04 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1153 1153 1153 520 2314 2314 2314 490 B. Proton Events: The greater than 10 MeV proton event, associated with a disappearing filament on 31 August, began at 01/1335Z, reached a maximum of 59 pfu at 02/0850Z, and ended at 04/0625Z. C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 138 SSN 150 Afr/Ap 014/016 X-ray Background B6.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.9e+07 GT 10 MeV 3.9e+05 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) Daily Electron Fluence GT 2 MeV 2.30e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) 3 Hour K-indices: Boulder 3 3 5 2 2 3 2 3 Planetary 3 3 5 2 2 3 3 3 F. Comments: None