:Product: 0907SGAS.txt :Issued: 2017 Sep 07 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 250 Issued at 0245Z on 07 Sep 2017 This report is compiled from data received at SWO on 06 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0857 0910 0917 2673 S07W33 X2.2 Sf 410 1122 1122 1123 570 1136 1136 1139 520 1144 1145 1148 1100 1153 1202 1210 2673 S08W33 X9.3 2b 3200 14000 II/IV 1551 1556 1603 2673 S09W38 M2.5 3n 1648 1648 1650 1000 1733 2157 IV 1921 1930 1935 2673 M1.4 2333 2339 2344 M1.2 2345 2345 2346 110 B. Proton Events: The greater than 10 MeV proton flux reached moderate levels with a peak flux of 104 pfu at 06/0125 UTC. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled, with an isolated active period the last synoptic period of the day. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 133 SSN 079 Afr/Ap 018/010 X-ray Background C1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+09 GT 10 MeV 3.5e+06 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.00e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 2 3 4 3 1 4 Planetary 1 1 1 2 3 3 2 4 F. Comments: None