:Product: 20030107SGAS.txt :Issued: 2003 Jan 07 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 007 Issued at 0245Z on 07 Jan 2003 This report is compiled from data received at SWO on 06 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0239 0243 0246 0239 S08W63 B7.7 Sf 270 0302 0302 0302 150 1423 1429 1433 C2.9 240 1629 1629 1629 290 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to unsettled levels. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels during the period. D. Stratwarm: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. UPPER STRATOSPHERE WARMING CONTINUES, CENTERED WITH PLUS 7C AT 1 HPA OVER 77N/3E, WEAKENING. TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE REVERSED FROM 10 TO 1 HPA E. Daily Indices: (real-time preliminary/estimated values) 10 cm 162 SSN 141 Afr/Ap 006/007 X-ray Background B7.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.3e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.70e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 1 2 3 2 2 Planetary 0 2 1 1 2 3 2 2 F. Comments: None