:Product: 0319SGAS.txt :Issued: 2025 Mar 19 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 078 Issued at 0245Z on 19 Mar 2025 This report is compiled from data received at SWO on 18 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0520 0520 0520 100 1120 1120 1120 150 1401 1401 1401 110 1559 1559 1559 100 2204 2204 2204 220 2333 2333 2333 210 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 184 SSN 191 Afr/Ap 013/012 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.00e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 2 3 4 2 3 Planetary 3 3 2 2 3 3 3 3 F. Comments: None