:Product: 0525SGAS.txt :Issued: 2023 May 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 145 Issued at 0245Z on 25 May 2023 This report is compiled from data received at SWO on 24 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0000 0937 IV 0225 0225 0225 590 0306 0306 0306 160 0339 1757 IV 0520 0523 0529 3311 N17E04 Sf 130 0617 0617 0617 100 0656 0656 0656 100 0704 0704 0704 230 0716 0729 0741 3311 N16W02 Sf 110 0925 1608 IV 0929 0930 0941 3311 N18E04 Sf 630 0951 0958 1002 3311 N18E00 M1.0 Sn 1008 1008 1008 130 1251 1255 1304 3312 S25E08 Sf 240 1704 1721 1748 3311 N18W03 M1.8 1f 140 1753 1800 1818 3315 S17E38 M1.0 Sf B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 164 SSN 153 Afr/Ap 010/010 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.9e+04 GT 10 MeV 2.3e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.20e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 1 1 3 4 2 3 Planetary 2 3 1 1 3 3 3 3 F. Comments: None