:Product: 0418SGAS.txt :Issued: 2022 Apr 18 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 108 Issued at 0245Z on 18 Apr 2022 This report is compiled from data received at SWO on 17 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0200 0211 0223 2993 M1.9 0200 0211 0223 2993 M1.8 0317 0334 0351 2994 X1.1 0328 0328 0329 3400 130 II 0419 0419 0425 290 1750 1804 1810 C6.2 100 1952 2002 2006 2992 S31W70 M1.5 Sf 80 42 2228 2234 2240 2987 S31W73 M4.4 Sf 260 110 II B. Proton Events: None C. Geomagnetic Activity Summary: Field activity was at quiet to unsettled levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 135 SSN 074 Afr/Ap 009/011 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.7e+04 GT 10 MeV 4.0e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 4 2 2 3 3 2 2 Planetary 3 3 1 2 2 3 3 2 F. Comments: None