International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
291 WSPA10 PHFO 121647 SIGPAW KZAK SIGMET WHISKEY 1 VALID 121645/122045 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1645Z WI N0800 E17900 - N0530 W17400 - N0215 W17715 - N0400 E17900 - N0800 E17900. TOP FL540. STNR. INTSF.