:Product: 0621SGAS.txt :Issued: 2024 Jun 21 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 173 Issued at 0245Z on 21 Jun 2024 This report is compiled from data received at SWO on 20 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0453 0453 0453 100 1509 1518 1522 3719 M1.1 2300 2316 2320 3719 S14E57 M5.7 1b 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 203 SSN 138 Afr/Ap 008/008 X-ray Background C2.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.0e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.70e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 1 1 2 2 2 3 Planetary 3 2 1 0 2 2 2 3 F. Comments: None.