TXNT21 KNES 181247 TCSNTL CCA A. 11L (JULIA) B. 18/1145Z C. 31.7N D. 77.0W E. THREE/GOES-E F. T1.5/1.5/D1.5/24HRS G. IR/EIR/VIS H. REMARKS...CORRECTED FOR FT BASIS AND DT VALUE. SYSTEM CHARACTERIZED BY CIRCULAR DEFINED CLOUD LINES AND A CENTER LOCATED NEAR A COLD OVERCAST MEASURING OVER 1.5DEG. DT=2.0 MET AND PT=1.5. FT IS BASED ON TRADITIONAL DVORAK CONSTRAINTS LIMITING CHANGE IN FT OVER 6HRS. I. ADDL POSITIONS NIL ...FISHER