At 522 AM PDT, Doppler radar was tracking a strong thunderstorm over Pomona, moving north at 20 mph.
HAZARD...Wind gusts up to 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects.
Locations impacted include... San Dimas... Glendora... Pomona... Montclair... La Verne... Diamond Bar... Claremont... Covina... and Walnut.