:Product: 0225SGAS.txt :Issued: 2025 Feb 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 056 Issued at 0245Z on 25 Feb 2025 This report is compiled from data received at SWO on 24 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0133 0146 0155 4001 M1.3 120 0653 0702 0708 4000 M3.3 23000 110 II 0913 0913 0913 120 0926 0926 0926 120 0927 0929 0929 130 0957 0957 0957 100 1052 1052 1052 240 1109 1109 1109 130 1206 1206 1206 100 2027 2027 2028 130 2038 2038 2038 120 2051 2101 2109 4000 N16W30 M1.5 1n 110 2126 2126 2126 150 2131 2140 2150 3998 C8.1 110 2150 2302 0019 M3.9 3200 II/IV B. Proton Events: The greater than 10 MeV protons began to increase at 24/2315z and crossed the 10 pfu threshold at 25/0020z. C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to minor storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 203 SSN 182 Afr/Ap 010/012 X-ray Background C2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.7e+06 GT 10 MeV 6.3e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 1 2 3 2 2 3 2 Planetary 3 0 1 2 2 2 5 2 F. Comments: None.