FAUS20 KZLA 252351 ZLA MIS 01 VALID 260000-261200 ...FOR ATC PLANNING PURPOSES ONLY... STRONG WEST AND NORTHWEST WINDS GUSTING TO 60 KNOTS ACROSS MOUNTAINS AND ADJACENT DESERTS OF SOUTHERN CALIFORNIA MAY BRING OCCASIONAL SEVERE TURBULENCE...STRONG UP- AND DOWNDRAFT...LOW-LEVEL WIND SHEAR...MOUNTAIN WAVE ACTIVITY AND BLOWING SAND AND DUST UNTIL 271000Z. =