:Product: 0511SGAS.txt :Issued: 2024 May 11 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 132 Issued at 0245Z on 11 May 2024 This report is compiled from data received at SWO on 10 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0000 0007 0007 2200 0010 0010 0013 1100 0010 0013 0022 3664 M1.3 2200 0037 0037 0037 3300 0136 0136 0136 1000 0142 0142 0142 1800 0158 0158 0158 1400 0315 0329 0340 3664 M1.4 0627 0654 0706 3664 X3.9 440 900 II/IV 0758 0758 0758 280 0803 0808 0825 490 1010 1014 1019 3664 M2.2 1101 1101 1101 100 1106 1110 1110 120 1140 1146 1148 3664 S20W42 Sf 540 1358 1411 1423 3664 S14W39 M5.9 1n 1559 1608 1612 3664 S15W36 C6.9 Sf 110 1616 1616 1616 110 1725 1725 1725 110 1726 1726 1726 110 1826 1832 1838 3664 M1.1 1838 1848 1857 3664 S16W44 M1.7 1f 1857 1905 1910 3664 M2.0 1920 1922 1922 150 1935 1953 1956 3664 M1.1 440 1956 2003 2018 3664 M1.9 2059 2059 2059 170 2059 2108 2112 3664 M3.8 110 2114 2115 2115 120 B. Proton Events: S1 (Minor) solar radiation storms began at 10/1305 UTC and the S2 (Moderate) threshold was reached with a peak flux of 149 pfu at 10/1515 UTC. C. Geomagnetic Activity Summary: The geomagnetic field reached G5 (Severe) geomagnetic storming levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 223 SSN 156 Afr/Ap 080/157 X-ray Background C5.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.9e+08 GT 10 MeV 1.2e+06 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.10e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 2 3 7 7 9 Planetary 3 3 2 2 3 9 9 9 F. Comments: None