International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
173 WSPN02 KKCI 011820 SIGP0B KZAK SIGMET BRAVO 4 VALID 011820/012220 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 1815Z WI N1130 W12000 - N0530 W12000 - N0500 W13945 - N1115 W13945 - N1130 W12000. TOP FL550. STNR. NC.