International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
642 WSPN01 KKCI 271645 SIGP0A KZAK SIGMET ALFA 3 VALID 271645/272045 KKCI- OAKLAND OCEANIC FIR FRQ TS OBS AT 1645Z WI N3700 W17345 - N3615 W16615 - N3000 W17200 - N3015 E17945 - N3700 W17345. TOP FL450. MOV ENE 40KT. NC.