WSPA06 PHFO 172058
SIGPAS

KZAK SIGMET SIERRA 5 VALID 172055/180055 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 2055Z WI N1300 W15100 - N1300
W14700 - N0930 W14015 - N0330 W14045 - N0345 W14830 - N0745 W15300 -
N1300 W15100. TOP FL570. STNR. NC.