000 WSNT13 KKCI 181720 SIGA0M KZWY SIGMET MIKE 4 VALID 181720/182120 KKCI- NEW YORK OCEANIC FIR FRQ TS OBS AT 1720Z WI N3815 W06830 - N3200 W06330 - N3200 W06645 - N3345 W07415 - N3700 W07245 - N3815 W06830. TOP FL380. MOV ESE 25KT. INTSF.