:Product: 0603SGAS.txt :Issued: 2025 Jun 03 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 154 Issued at 0245Z on 03 Jun 2025 This report is compiled from data received at SWO on 02 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0206 0206 0206 350 1059 1118 1139 4100 N12W19 M3.3 2b 130 2135 2142 2146 4100 M1.1 2136 2139 2140 4100 3200 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached severe levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 140 SSN 103 Afr/Ap 038/069 X-ray Background B9.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.0e+08 GT 10 MeV 4.1e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices: Boulder 4 5 5 6 4 4 5 4 Planetary 5 5 6 7 6 5 5 6 F. Comments: None