:Product: 0228SGAS.txt :Issued: 2023 Feb 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 059 Issued at 0245Z on 28 Feb 2023 This report is compiled from data received at SWO on 27 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0200 0200 0200 140 0843 0843 0843 800 1318 1318 1318 250 1322 1322 1322 100 1341 1341 1341 100 1344 1344 1345 400 1521 1521 1521 230 1752 1752 1752 110 1916 1916 1916 110 2253 2253 2253 170 2340 2340 2340 130 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached Severe storm levels during the period. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 161 SSN 192 Afr/Ap 060/109 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.1e+07 GT 10 MeV 2.3e+05 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.40e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder ? ? ? ? ? ? ? ? Planetary 4 5 7 8 7 8 7 5 F. Comments: The BOU magnetometer has been offline since 13 Feb 2023.