:Product: 0415SGAS.txt :Issued: 2026 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 2026 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 1720 1720 1720 100 1722 1722 1722 180 B. Proton Events: None. C. Geomagnetic Activity Summary: Geomagnetic field conditions were quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 101 SSN 064 Afr/Ap 002/004 X-ray Background B2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.9e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 8.50e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 1 0 1 1 2 2 1 1 Planetary 2 0 0 1 1 1 0 0 F. Comments: None.