TXPZ21 KNES 171812 TCSENP A. TROPICAL DISTURBANCE (97E) B. 17/1745Z C. 14.1N D. 105.7W E. THREE/GOES-E F. T2.0/2.0/D1.0/24HRS G. IR/EIR/VIS H. REMARKS...SYSTEM CHARACTERIZED BY 4/10 BANDING ON A LOG-10 SCALE. DT=2.5 WHILE MET AND PT=2.0. FT IS BASED ON CONSTRAINTS LIMITING CHANGE IN FT TO LESS THAN 1.0 WHEN FT IS LESS THAN 2.0 6HRS AGO. I. ADDL POSITIONS NIL ...FISHER