International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
312 WSPN04 KKCI 181840 SIGP0D KZAK SIGMET DELTA 1 VALID 181840/182240 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 1840Z WI N3534 E17706 - N2739 E17456 - N2715 E17104 - N3448 E17304 - N3534 E17706. TOP FL450. MOV NNE 25KT. NC.