:Product: 0509SGAS.txt :Issued: 2025 May 09 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 129 Issued at 0245Z on 09 May 2025 This report is compiled from data received at SWO on 08 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0343 0343 0343 120 0830 0830 0830 170 0831 0831 0831 120 0935 0942 0944 4082 C1.5 140 1454 1500 1523 4082 S12E11 C7.0 1n 240 2253 2253 2253 500 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached active levles. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 149 SSN 084 Afr/Ap 011/012 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.5e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.10e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 4 1 2 3 1 4 Planetary 2 3 3 2 2 2 1 4 F. Comments: The GOES19 2 MeV electron fluence reached high levels.