WWUS85 KBOU 192017 SPSBOU Special Weather Statement National Weather Service Denver CO 217 PM MDT Thu Aug 19 2021 COZ036-039-192045- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County CO- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet CO- 217 PM MDT Thu Aug 19 2021 ...A strong thunderstorm will impact portions of southwestern Broomfield, northern Jefferson and southeastern Boulder Counties through 245 PM MDT... At 217 PM MDT, Doppler radar was tracking a strong thunderstorm near Rocky Flats, or 16 miles northwest of Denver, moving northeast at 30 mph. HAZARD...Winds in excess of 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Northern Lakewood, Arvada, Westminster, Boulder, western Broomfield, western Wheat Ridge, Lafayette, northwestern Golden, Louisville, Superior, Rocky Flats, Eldorado Springs and White Ranch Open Space. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. A Severe Thunderstorm Watch remains in effect until 800 PM MDT for northeastern Colorado. && LAT...LON 4000 10505 3992 10505 3974 10514 3981 10538 3992 10533 3992 10523 3993 10524 3993 10528 3997 10527 3997 10528 3998 10527 4000 10529 4006 10526 TIME...MOT...LOC 2017Z 204DEG 28KT 3985 10522 MAX HAIL SIZE...0.75 IN MAX WIND GUST...40 MPH $$ RPK