International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
539 WSPA11 PHFO 051912 SIGPAX KZAK SIGMET XRAY 9 VALID 051910/052310 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1910Z WI N2700 E15500 - N2700 E16245 - N2100 E16015 - N2300 E15500 - N2700 E15500. TOP FL460. STNR. WKN.