:Product: 0122SGAS.txt :Issued: 2026 Jan 22 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 022 Issued at 0245Z on 22 Jan 2026 This report is compiled from data received at SWO on 21 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0115 0135 0158 4345 S16W05 M1.1 Sf 0653 0712 0722 4349 S18E62 M3.4 1b 1349 1349 1349 450 1619 1619 1619 150 B. Proton Events: Proton event progressed throughout the period. GOES-18 >= 10 MeV flux of 34.6 pfu observed at 21/0240Z and >= 100 MeV flux of 0.144 pfu observed at 21/1200Z. C. Geomagnetic Activity Summary: The geomagnetic field reached strong (Kp=7+) levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 188 SSN 166 Afr/Ap 045/073 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.7e+07 GT 10 MeV 1.3e+06 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 7.00e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 6 7 6 6 5 3 3 2 Planetary 7 7 7 6 4 4 3 3 F. Comments: None.