International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
406 WSPA07 PHFO 160931 SIGPAT KZAK SIGMET TANGO 4 VALID 160930/161330 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 0930Z WI N1545 E17615 - N1215 W17400 - N0415 W17930 - N0445 E17800 - N1545 E17615. TOP FL540. MOV N 5KT. WKN.