International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
816 WSPN03 KKCI 290900 SIGP0C KZAK SIGMET CHARLIE 1 VALID 290900/291300 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 0900Z WI N1115 W12000 - N0445 W12000 - N0430 W12630 - N0630 W12830 - N1115 W12430 - N1115 W12000. TOP FL530. STNR. INTSF.