International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
497 WSPN01 KKCI 291430 SIGP0A KZAK SIGMET ALFA 18 VALID 291430/291830 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 1430Z WI N4515 W14600 - N3145 W15045 - N2645 W15700 - N2815 W16230 - N4115 W15615 - N4515 W14600. TOP FL460. MOV ENE 25KT. NC.