International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
103 WSPA12 PHFO 310920 SIGPAY KZAK SIGMET YANKEE 4 VALID 310915/311315 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 0915Z WI N2045 E17815 - N2500 W17730 - N2315 W17500 - N1800 W17945 - N1800 E17800 - N2045 E17815. TOP FL480. STNR. NC.