FAUS20 KZLA 311640 ZLA MIS AUTO 01 VALID 311630-011630 ...FOR ATC PLANNING PURPOSES ONLY... STRONG WEST TO SOUTHWEST WINDS WITH GUSTS TO 60 KNOTS ACROSS MOJAVE SLOPES AND LAS VEGAS VALLEY MAY CAUSE SEVERE TURBULENCE...STRONG DOWNDRAFT...LOW-LEVEL WIND SHEAR AND MOUNTAIN WAVE ACTIVITY BETWEEN 311630Z AND 021200Z FOR LAS VEGAS VALLEY AND BETWEEN 311630Z AND 010900Z FOR MOJAVE SLOPES.. =