:Product: 0505SGAS.txt :Issued: 2026 May 05 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 125 Issued at 0245Z on 05 May 2026 This report is compiled from data received at SWO on 04 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0107 0107 0107 190 0113 0133 0144 4424 M1.8 100 0533 0533 0533 140 2316 2316 2316 150 2320 2320 2320 170 2340 2342 2348 180 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached major storm levels following the likely passage of a transient combined with lingering CH HSS influence. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 138 SSN 143 Afr/Ap 016/026 X-ray Background B7.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.4e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) Daily Electron Fluence GT 2 MeV 2.00e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 2 3 2 3 3 5 4 4 Planetary 2 2 2 3 3 4 6 5 F. Comments: None