:Product: 0523SGAS.txt :Issued: 2025 May 23 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 143 Issued at 0245Z on 23 May 2025 This report is compiled from data received at SWO on 22 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0038 0047 0106 4095 B7.4 100 1548 1548 1548 200 1553 1553 1554 280 1915 1915 1916 220 1959 1959 1959 320 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 120 SSN 099 Afr/Ap 007/??? X-ray Background B4.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.5e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices: Boulder 2 2 2 1 2 3 2 2 Planetary 2 2 2 1 2 1 2 2 F. Comments: None.