International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
981 WSPN03 KKCI 291530 SIGP0C KZAK SIGMET CHARLIE 3 VALID 291530/291930 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 1530Z WI N1115 W12000 - N0530 W12000 - N0530 W13015 - N0745 W13045 - N1115 W12000. TOP FL550. STNR. NC.