:Product: 0930SGAS.txt :Issued: 2017 Sep 30 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 273 Issued at 0245Z on 30 Sep 2017 This report is compiled from data received at SWO on 29 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 090 SSN 039 Afr/Ap 008/011 X-ray Background A8.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.7e+06 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.20e+09 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 4 2 4 3 1 2 Planetary 3 2 3 2 4 2 2 2 F. Comments: The GOES-13 greater than 2 MeV electron fluence was very high.