TXPS21 KNES 261218 TCSWSP A. TROPICAL DISTURBANCE (91P) B. 26/1130Z C. 10.2S D. 161.9E E. THREE/HIMAWARI-8 F. T1.5/1.5/D0.5/24HRS G. IR/EIR/SWIR H. REMARKS...THIS INTENSITY ESTIMATE WAS DERIVED USING 4 KM IR DATA. CONVECTION WRAPS 0.6 ON LOG10 SPIRAL FOR A DT OF 3.0. MET AND PT ARE 2.5. FT IS BASED ON CONSTRAINTS LIMITING THE CHANGE OF FT TO 0.5 OVER 6 HOURS. I. ADDL POSITIONS NIL ...KIM