:Product: 20021222SGAS.txt :Issued: 2002 Dec 22 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 356 Issued at 0245Z on 22 Dec 2002 This report is compiled from data received at SWO on 21 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1539 1540 1540 100 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was predominantly at quiet to active levels as the geoeffective coronal hole high speed stream wanes. Middle and high latitudes experienced storming conditions between 21/0300 and 0600 UTC. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 184 SSN 199 Afr/Ap 019/018 X-ray Background B6.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.30e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 6 2 1 2 3 3 1 Planetary 4 5 3 2 3 3 2 2 F. Comments: None