:Product: 20031231SGAS.txt :Issued: 2003 Dec 31 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 365 Issued at 0245Z on 31 Dec 2003 This report is compiled from data received at SWO on 30 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1527 1527 1527 100 1615 1616 1616 210 2134 2134 2134 120 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field has been at quiet to unsettled levels. An isolated period of unsettled activity was observed. D. Stratwarm: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS WARM AIR COVERS NORTHEASTERN SIBERIA AND CANADA AT THE LOWER LEVELS AND EUROPE AND WESTERN ASIA AT THE UPPER LEVELS, THE LATTER INTENSIFYING, MOVING NORTHEASTWARDS, AND PENETRATING DOWNWARDS. E. Daily Indices: (real-time preliminary/estimated values) 10 cm 108 SSN 015 Afr/Ap 008/008 X-ray Background B2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.8e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W104 degrees) Daily Electron Fluence GT 2 MeV 1.00e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 3 1 2 2 3 3 Planetary 2 1 3 2 2 3 3 2 F. Comments: None