:Product: 0825SGAS.txt :Issued: 2015 Aug 25 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 237 Issued at 0245Z on 25 Aug 2015 This report is compiled from data received at SWO on 24 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0000 0000 0000 110 0003 0007 0008 660 0301 0301 0301 550 0304 0305 0306 250 0310 0312 0315 510 0434 0434 0435 170 0510 0512 0513 2403 S14E01 Sf 5100 0540 0540 0540 170 0544 0544 0544 200 0611 0615 0624 2403 S16W02 C3.2 Sf 2300 0708 0712 0715 2403 S15W04 C6.7 1n 260 0718 0718 0718 230 0726 0733 0735 2403 S15W04 M5.6 1b 6900 100 0910 0910 0911 9100 0924 0924 0924 330 1015 1019 1021 2403 S15W05 C1.6 Sf 1800 1108 1108 1108 280 1111 1113 1113 140 1159 1206 1209 2403 S14W07 C2.5 Sn 1200 1451 1451 1452 1000 1638 1638 1638 110 1649 1649 1649 140 1707 1707 1707 110 1740 1746 1749 2403 M1.0 1749 2013 IV 1855 1855 1855 2000 2026 2026 2026 100 2129 2129 2129 150 2146 2146 2146 140 2206 2211 2215 2403 S14W11 C1.4 Sf 110 2357 2357 2357 100 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was at unsettled conditions to begin the period, but decreased to quiet levels for the remainder of the synoptic day. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 128 SSN 071 Afr/Ap 007/008 X-ray Background B6.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.3e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.50e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 3 3 2 2 1 1 Planetary 3 3 2 2 2 2 2 1 F. Comments: None