International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
231 WSPN01 KKCI 181050 SIGP0A KZAK SIGMET ALFA 1 VALID 181050/181450 KKCI- OAKLAND OCEANIC FIR SEV TURB FCST WI N4000 W16415 - N3945 W16000 - N3245 W16500 - N3245 W16930 - N4000 W16415. FL220/280. MOV ENE 10KT. INTSF.