TXNT21 KNES 191223 TCSNTL A. TROPICAL DISTURBANCE (90L) B. 19/1200Z C. 20.7N D. 58.6W E. FIVE/GOES-E F. T1.0/1.0/D1.0/24HRS G. IR/EIR/VIS H. REMARKS...SYSTEM IS CHARACTERIZED BY SPIRAL, LOOSELY DEFINED CLOUD LINES AND A CENTER LESS THAN 1.25 DEGREES TO THE WEST OF A SMALL COLD OVERCAST RESULTING IN A DT OF 1.0 USING THE SHEAR PATTERN. MET AND PT ARE ALSO 1.0. FT IS BASED ON DT. I. ADDL POSITIONS NIL ...TURK