International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
039 WSPA12 PHFO 181440 SIGPAY KZAK SIGMET YANKEE 1 VALID 181435/181835 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1440Z WI N0815 E15515 - N0800 E15930 - N0515 E15915 - N0500 E15515 - N0815 E15515. TOP FL550. STNR. INTSF.