TXIO27 KNES 181512 TCSNIO A. TROPICAL DISTURBANCE (91B) B. 18/1430Z C. 14.6N D. 87.5E E. THREE/MET-7 F. T1.5/1.5/D1.5/24HRS G. IR/EIR H. REMARKS...POSITION BASED ON CLOUD SYSTEM CENTER. CONVECTION MEASURES 3/10 FOR A DT=1.5. MET AND PT ARE BOTH 1.0. FT IS BASED ON DT. I. ADDL POSITIONS NIL ...MCCARTHY