:Product: 0318SGAS.txt :Issued: 2023 Mar 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 077 Issued at 0245Z on 18 Mar 2023 This report is compiled from data received at SWO on 17 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0645 0652 0657 3256 S19E80 C6.4 Sf 160 1258 1314 1320 3247 S22W65 C7.3 Sf 190 1504 1507 1511 3247 S22W65 M1.0 Sn 1902 1902 1902 120 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 134 SSN 058 Afr/Ap 007/006 X-ray Background B8.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 4.7e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.90e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 2 3 4 2 1 2 Planetary 1 1 1 2 3 1 1 2 F. Comments: None.