:Product: 0117SGAS.txt :Issued: 2025 Jan 17 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 017 Issued at 0245Z on 17 Jan 2025 This report is compiled from data received at SWO on 16 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0141 0141 0141 670 0252 0258 0303 3964 C3.0 530 0410 0410 0410 170 0519 0519 0519 8000 0605 0605 0605 1800 0659 0659 0700 220 0857 0857 0857 130 1148 1149 1149 240 1230 1230 1230 210 1428 1428 1430 900 1553 1553 1553 200 1700 1700 1701 280 1716 1716 1716 130 1721 1721 1721 290 1918 1918 1919 680 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 208 SSN 105 Afr/Ap 011/012 X-ray Background C2.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 4 0 2 3 4 2 2 Planetary 2 4 1 2 2 3 3 2 F. Comments: None.