:Product: 0415SGAS.txt :Issued: 2025 Apr 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 105 Issued at 0245Z on 15 Apr 2025 This report is compiled from data received at SWO on 14 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0039 0039 0039 130 0054 0054 0054 290 0535 0535 0535 290 0600 0605 0611 4055 M1.4 0636 0650 0658 4055 N06W82 M4.2 Sf 0915 0917 0917 180 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 152 SSN 086 Afr/Ap 014/??? X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.8e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 5 3 2 2 3 2 2 Planetary 3 5 3 2 2 3 2 2 F. Comments: None