:Product: 0604SGAS.txt :Issued: 2021 Jun 04 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 155 Issued at 0245Z on 04 Jun 2021 This report is compiled from data received at SWO on 03 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0135 0136 0136 190 0157 0205 0209 2829 B5.7 140 1448 1448 1448 2827 110 B. Proton Events: None C. Geomagnetic Activity Summary: Levels were mostly quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 076 SSN 028 Afr/Ap 008/008 X-ray Background A5.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.4e+04 GT 10 MeV 4.6e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.80e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 3 3 2 2 1 0 Planetary 2 2 3 2 2 1 1 2 F. Comments: None