:Product: 0428SGAS.txt :Issued: 2025 Apr 28 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 118 Issued at 0245Z on 28 Apr 2025 This report is compiled from data received at SWO on 27 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0004 0004 0004 650 0818 0828 0839 C1.3 170 0845 0845 0845 240 1218 1218 1218 120 1516 1516 1516 100 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 156 SSN 119 Afr/Ap 007/??? X-ray Background B8.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.4e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 1 2 2 4 2 1 Planetary ? ? ? ? ? ? ? ? F. Comments: None.