:Product: 0131SGAS.txt :Issued: 2021 Jan 31 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 031 Issued at 0245Z on 31 Jan 2021 This report is compiled from data received at SWO on 30 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: Field conditions were at quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 074 SSN 000 Afr/Ap 002/002 X-ray Background A1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.6e+04 GT 10 MeV 4.6e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.70e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 1 0 1 1 2 1 1 Planetary 0 1 0 0 1 1 0 0 F. Comments: None