:Product: 0403SGAS.txt :Issued: 2017 Apr 03 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 093 Issued at 0245Z on 03 Apr 2017 This report is compiled from data received at SWO on 02 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0026 0029 0031 2644 B4.8 1100 0038 0038 0038 140 0206 0210 0213 2645 C1.0 2800 IV 0241 0246 0248 2645 S12W08 C8.0 Sn 250 0750 0802 0813 2644 N12W59 M5.3 2n 100 II/IV 0841 0841 0842 140 1126 1703 IV 1141 1141 1141 150 1252 1300 1311 2644 M2.3 1416 1418 1423 2645 S12W14 Sf 970 1431 1432 1432 170 1437 1437 1437 100 1520 1520 1520 150 1620 1627 1638 2644 N14W66 C3.0 Sf 160 1656 1656 1656 150 1733 1733 1733 120 1818 1838 1928 2644 N16W68 M2.1 Sf 230 1930 1930 1930 100 2006 2006 2006 100 2026 2033 2038 2644 M5.7 670 2042 2042 2042 150 2045 2045 2045 100 B. Proton Events: None C. Geomagnetic Activity Summary: Quiet to Unsettled D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 112 SSN 075 Afr/Ap 006/006 X-ray Background B7.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.0e+06 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.30e+09 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 3 1 2 3 2 0 Planetary 2 2 2 1 2 2 1 1 F. Comments: The greater than 2 MeV electron fluence reached very high levels on 02 April 2017