:Product: 0528SGAS.txt :Issued: 2024 May 28 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 149 Issued at 0245Z on 28 May 2024 This report is compiled from data received at SWO on 27 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0649 0708 0725 X2.8 4900 300 II/IV 1637 1641 1704 3691 N25E39 Sf 170 1746 1751 1756 3691 N21E39 C4.7 Sf 7900 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to unsettled levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 170 SSN 116 Afr/Ap 009/009 X-ray Background C2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.8e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.10e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 2 4 3 4 2 2 Planetary 1 1 2 3 3 2 2 3 F. Comments: None