174 WSPA08 PHFO 200138 SIGPAU KZAK SIGMET UNIFORM 1 VALID 200140/200540 PHFO- OAKLAND OCEANIC FIR EMBD TS WI N1020 E16450 - N0910 E16840 - N0620 E16650 - N0820 E16300 - N1020 E16450. CB TOPS TO FL540. STNR. INTSF. BASED ON SAT AND LTG OBS.