At 742 AM PDT, Doppler radar was tracking a strong thunderstorm 17 miles west of Brewster, or 33 miles southwest of Omak, moving north at 50 mph.
HAZARD...Winds in excess of 30 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects.
Locations impacted include... Twisp, Crater Creek Campground, Black Pine Lake Campground, Carlton, and Foggy Dew Campground.
This includes U.S. Highway 20 in Washington between mile markers 195 and 211.