TXXS27 KNES 280553 TCSSIO A. TROPICAL DISTURBANCE (99S) B. 28/0530Z C. 8.8S D. 52.1E E. THREE/MET-7 F. T1.5/1.5/D1.5/24HRS G. IR/EIR/VIS/AMSU/SSMIS H. REMARKS...TREND OF 99S HAS BEEN QUITE IMPRESSIVE AND IS ON THE HIGH TREND OF DEVELOPMENT COMPARED TO TRADITIONAL DVORAK RULES. CDO FEATURE IS 1.05 DEGREES WIDE FOR CF OF 2.5 WITH NO BF ADDED. SHEAR METHOD ALSO YIELDS 2.5 AS DEFINED LLC IS .53 DEGREES FROM DEEP CONVECTION. DT IS CONFIRMED AT 2.5. THOUGH PERSISTENT WITH DT OVER 2.0 IN THE LAST 6HRS THE DT IS REJECTED IN FAVOR OF LOWER NUMBERS AS CONVECTIVE CLUSTER IS CYCLING AS THERE MAY BE DRY AIR ENTRAINMENT. THIS CAN BE SEEN BY CONVECTIVE BANDING FEATURE ON NE SIDE HAVING ERODED AND PRODUCED OUTFLOW OR ROLL CLOUD. STILL MET IS AT 1.5 FOR RAPID DEVELOPMENT TREND FROM 24HRS AGO AND PT IS 1.5. AS SUCH FT IS 1.5 BASED ON MET. I. ADDL POSITIONS 27/2352Z 8.5S 52.8E AMSU 28/0138Z 8.8S 52.6E SSMIS 28/0240Z 8.7S 52.3E SSMIS ...GALLINA