WCNT06 KKCI 171655 KZWY SIGMET FOXTROT 1 VALID 171655/172255 KKCI- NEW YORK OCEANIC FIR TC DON OBS AT 1500Z NR N3836 W04254. MOV ESE 12KT. NC. FRQ TS TOP FL460 WI N4115 W04000 - N3700 W04000 - N3715 W04145 - N3900 W04300 - N4030 W04245 - N4115 W04000. FCST 2100Z TC CENTER N3800 W04142.