:Product: 20020301SGAS.txt :Issued: 2002 Mar 01 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 060 Issued at 0245Z on 01 Mar 2002 This report is compiled from data received at SWO on 28 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1413 1416 1418 C5.5 230 1940 1940 1940 620 2055 2056 2057 340 2356 0012 0048 M2.2 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to minor storm levels. D. Stratwarm: STRATWARM ALERT EXISTS STRATWARM THURSDAY THROUGHOUT THE STRATOSPHERE DISTURBED CIRCULATION PATTERN WITH THE WARM AIR OVER THE POLAR REGION AND EASTERN ASIA AND A DISPLACED VORTEX OVER SIBERIA, LEADING TO A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE FROM 50 TO 3HPA AND WEAK MEAN EASTERLY WINDS AT 60N FROM 3 TO 2HPA. E. Daily Indices: (real-time preliminary/estimated values) 10 cm 204 SSN 188 Afr/Ap 015/017 X-ray Background C5.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.5e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.20e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 3 3 3 3 3 4 Planetary 1 3 4 3 3 3 3 5 F. Comments: None