000 WSPA10 PHFO 170636 SIGPAW KZAK SIGMET WHISKEY 3 VALID 170650/171050 PHFO- OAKLAND OCEANIC FIR EMBD TS WI N1020 E16840 - N0500 E16620 - N0440 E15930 - N1000 E16100 - N1020 E16840. CB TOPS TO FL540. MOV W 5KT. NC. BASED ON SAT AND LTG OBS.