International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
854 WSPA10 PHFO 181418 SIGPAW KZAK SIGMET WHISKEY 1 VALID 181415/181815 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1415Z WI N0845 W15800 - N1015 W15430 - N0545 W15300 - N0500 W15645 - N0845 W15800. TOP FL570. STNR. INTSF.