:Product: 0527SGAS.txt :Issued: 2023 May 27 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 147 Issued at 0245Z on 27 May 2023 This report is compiled from data received at SWO on 26 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0042 0042 0042 270 0102 0115 0128 3315 S16E21 C1.3 Sf 170 0334 0334 0334 100 0716 0716 0716 100 0906 0906 0906 100 1541 1542 1542 100 1656 1701 1710 3315 S18E10 C3.0 Sn 100 1832 1833 1848 3314 N13W41 Sf 130 1945 1945 1945 200 2016 2016 2016 220 2057 2057 2057 120 2147 2157 2213 C1.5 870 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 149 SSN 127 Afr/Ap 006/006 X-ray Background B6.4 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 2.00e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 2 1 3 2 2 1 Planetary 3 2 1 1 1 1 2 2 F. Comments: None.