TXIO21 KNES 151257 TCSNIO A. TROPICAL DISTURBANCE (96A) B. 15/1130Z C. 21.1N D. 68.5E E. THREE/MET-9 F. T1.5/1.5 G. IR/EIR/VIS H. REMARKS...A LLCC CHARACTERIZED BY CIRCULARLY DEFINED CLOUD LINES AND IS GREATER THAN 1.25 DEGREES AWAY FROM A LARGE OVERCAST YIELDS A DT OF 1.5 BASED ON SHEAR PATTERN. MET IS 1.0 DUE TO DEVELOPING TREND. PT AGREES WITH DT. FT IS BASED ON PT DUE TO UNCERTAINTY IN THE INTENSITY OF THE CONVECTION. I. ADDL POSITIONS NIL ...NGUYEN