ZCZC MIATCDAT2 ALL TTAA00 KNHC DDHHMM TROPICAL STORM FELIX DISCUSSION NUMBER 11 NATIONAL WEATHER SERVICE MIAMI FL 11 AM EDT TUE SEP 11 2001 SATELLITE IMAGERY THIS MORNING INDICATE THAT THE CENTER OF TROPICAL DEPRESSION SEVEN HAS BECOME BETTER DEFINED UNDER THE DEEP CONVECTION WHILE THE OUTFLOW IS GRADUALLY IMPROVING. DVORAK ESTIMATES INDICATE THAT WINDS HAVE REACHED TROPICAL STORM STRENGTH AND SEVEN IS BEING UPGRADED TO TROPICAL STORM FELIX AT THIS TIME. FELIX COULD BECOME A HURRICANE AS IT IS MOVES OVER WARM WATER AND BEFORE THE SHEAR INCREASES. BECAUSE THE CENTER REFORMED UNDER THE CONVECTION...THE INITIAL POSITION HAS BEEN ADJUSTED TO THE NORTHEAST OF THE PREVIOUS LOCATION. HOWEVER...THE SYSTEM OVERALL IS MOVING TO THE NORTHWEST AT 10 KNOTS. A SUBTROPICAL RIDGE TO THE EAST OF FELIX WILL LIKELY PROVIDE A GENERAL TRACK TO THE NORTHWEST AND NORTH DURING THE NEXT COUPLE OF DAYS OVER THE OPEN ATLANTIC. THEREAFTER...FELIX IS FORECAST TO BE EMBEDDED WITHIN A SOUTHWESTERLY FLOW...SO A TURN TO THE NORTHEAST IS EXPECTED. FORECASTER AVILA FORECAST POSITIONS AND MAX WINDS INITIAL 11/1500Z 18.9N 47.5W 35 KTS 12HR VT 12/0000Z 20.0N 48.5W 40 KTS 24HR VT 12/1200Z 21.5N 49.5W 45 KTS 36HR VT 13/0000Z 23.5N 49.5W 50 KTS 48HR VT 13/1200Z 25.0N 49.5W 60 KTS 72HR VT 14/1200Z 27.0N 49.0W 70 KTS NNNN