:Product: 0524SGAS.txt :Issued: 2026 May 24 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 144 Issued at 0245Z on 24 May 2026 This report is compiled from data received at SWO on 23 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0217 0224 0229 C1.6 830 0711 0717 0721 C2.1 150 1135 1144 1147 C2.9 2800 1941 1949 II 1942 1942 1942 370 2016 2016 2016 120 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 137 SSN 086 Afr/Ap 004/003 X-ray Background B8.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.6e+06 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) Daily Electron Fluence GT 2 MeV 2.20e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 1 1 2 1 1 3 1 1 Planetary 1 1 1 1 1 0 0 1 F. Comments: None