:Product: 0515SGAS.txt :Issued: 2025 May 15 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 135 Issued at 0245Z on 15 May 2025 This report is compiled from data received at SWO on 14 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0305 0325 0335 4087 M5.3 110 II 0736 0745 0751 4087 M1.2 100 0804 0825 0831 4087 N15E68 X2.7 2b 120 390 0832 0832 0832 200 1104 1119 1131 4087 N19E65 M7.7 1n 100 1759 1811 1818 4087 M4.7 660 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 122 SSN 053 Afr/Ap 013/016 X-ray Background B6.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.0e+06 GT 10 MeV 5.1e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 2 2 4 4 3 2 Planetary 3 2 2 3 4 4 4 2 F. Comments: None.