TXXS29 KNES 021753 TCSSIO A. TROPICAL DISTURBANCE (91S) B. 02/1730Z C. 18.3S D. 67.7E E. FIVE/MET-7 F. T1.5/1.5/S0.0/24HRS G. IR/EIR H. REMARKS...LOOSELY DEFINED CLOUD LINES AND A CLOUD SYSTEM CENTER GREATER THAN 1.25 DEGREES FROM A COLD OVERCAST THAT IS LARGER THAN 1.5 DEGREES YIELDS A DT OF 1.5. MET AND PT AGREE. FT IS BASED ON MET DUE TO UNCERTAINTY CONCERNING THE SYSTEM CENTER LOCATION. I. ADDL POSITIONS NIL ...VELASCO