:Product: 1001SGAS.txt :Issued: 2011 Oct 01 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 274 Issued at 0245Z on 01 Oct 2011 This report is compiled from data received at SWO on 30 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0645 0645 0645 150 1201 1201 1203 140 1342 1349 1403 B7.6 580 1627 1627 1627 100 1734 1734 1734 200 1855 1906 1915 1305 N08E06 M1.0 1f 220 260 II 2149 2207 2216 1302 N18W29 Sf 670 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field began the period quiet before increasing to active levels as the result of -10nT Bz conditions in conjunction with multiple polarity shifts observed at ACE late a period. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 138 SSN 089 Afr/Ap 005/008 X-ray Background B4.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+06 GT 10 MeV 2.7e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.50e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 0 1 1 2 2 3 Planetary 1 0 0 0 1 1 4 4 F. Comments: None