WSNT01 KKCI 020830 SIGA0A KZWY KZMA SIGMET ALFA 8 VALID 020830/021230 KKCI- NEW YORK OCEANIC FIR MIAMI OCEANIC FIR FRQ TS OBS AT 0830Z WI N3515 W05900 - N2630 W06830 - N2515 W07415 - N3400 W06630 - N3515 W05900. TOP FL400. MOV ENE 30KT. NC.