:Product: 0612SGAS.txt :Issued: 2026 Jun 12 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 163 Issued at 0245Z on 12 Jun 2026 This report is compiled from data received at SWO on 11 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0350 1055 IV 0406 0406 0406 100 0436 0436 0436 550 0748 0748 0748 120 0822 0828 0832 4465 C9.0 780 0927 0927 0931 160 1736 1736 1738 120 1744 1744 1746 140 1752 1753 1753 130 2330 0002 0037 4465 N09E38 C6.7 1f 760 II/IV B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached minor storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 127 SSN 081 Afr/Ap 016/018 X-ray Background B6.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 1 3 3 4 3 3 4 4 Planetary 1 2 3 3 2 2 5 4 F. Comments: None