:Product: 0531SGAS.txt :Issued: 2023 May 31 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 151 Issued at 0245Z on 31 May 2023 This report is compiled from data received at SWO on 30 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0733 0733 0733 220 0754 0810 0819 3310 N00E00 M1.2 Sf 1002 1002 1002 310 1015 1022 1029 3310 M1.3 210 1336 1338 1341 3315 S20W41 M1.4 1b 2252 2252 2252 130 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 162 SSN 144 Afr/Ap 006/005 X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.4e+04 GT 10 MeV 2.3e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 0 1 1 2 2 2 2 Planetary 1 0 1 1 2 1 1 2 F. Comments: None