TXXS27 KNES 071827 TCSSIO A. TROPICAL DISTURBANCE (99S) B. 07/1730Z C. 18.8S D. 41.5E E. FIVE/MET-7 F. T1.5/1.5/D0.5/24HRS G. IR/EIR/SWIR/SSMIS H. REMARKS...SYSTEM 99S LOW LEVEL CENTER IS DIFFICULT TO FIND. CONVECTION WRAPS .3 ON LOG10 SPIRAL YIELDING A DT OF 1.5. MET AND PT AGREE. FT IS BASED ON DT. I. ADDL POSITIONS 07/1507Z 18.9S 41.4E SSMIS ...KIBLER