International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
081 WSPA09 PHFO 041055 SIGPAV KZAK SIGMET VICTOR 4 VALID 041050/041450 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1055Z WI N0800 E17200 - N0745 E17815 - N0430 E17930 - N0415 E16945 - N0800 E17200. TOP FL570. STNR. NC.