WCNT13 KKCI 221515 KZWY SIGMET MIKE 3 VALID 221515/222115 KKCI- NEW YORK OCEANIC FIR TC SIXTEEN OBS AT 1500Z NR N3218 W07536. MOV N 10KT. NC. FRQ TS TOP FL500 WI 200NM OF CENTER. FCST 2100Z TC CENTER N3254 W07603.