Severe

At 323 PM MDT, a severe thunderstorm was located 6 miles northeast of Westplains, or 24 miles northwest of Sterling, moving east at 15 mph. Another severe thunderstorm was located north of North Sterling Reservoir. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Peetz and Westplains. Seek shelter inside a well-built structure and stay away from

At 324 PM MDT, Although rainfall has currently ended, radar estimates up to 2 inches of rain fell with earlier storms. Excessive runoff will continue, and a high risk of flash flooding continues. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include...

At 526 PM EDT, a severe thunderstorm was located near Millwood Pike, moving southeast at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include...

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Howard County in central Maryland... Montgomery County in central Maryland... * Until 615 PM EDT. * At 527 PM EDT, severe thunderstorms were located along a line extending from near Oakland to near Olney to North Potomac, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as

SVRBOU The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southwestern Logan County in northeastern Colorado... * Until 400 PM MDT. * At 328 PM MDT, a severe thunderstorm was located near Atwood, or 6 miles west of Sterling, moving southeast at 15 mph. THIS IS A DESTRUCTIVE STORM FOR MERINO AND STERLING. HAZARD...Baseball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs,

FFWCTP The National Weather Service in State College has issued a * Flash Flood Warning for... Southeastern Dauphin County in south central Pennsylvania... Southern Lebanon County in south central Pennsylvania... * Until 800 PM EDT. * At 500 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... East central Rappahannock County in northwestern Virginia... Southern Fauquier County in northern Virginia... North central Culpeper County in northern Virginia... * Until 600 PM EDT. * At 500 PM EDT, a severe thunderstorm was located 9 miles west of Warrenton, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Madison County in northwestern Virginia... Central Page County in northwestern Virginia... Southwestern Rappahannock County in northwestern Virginia... Culpeper County in northern Virginia... * Until 600 PM EDT. * At 501 PM EDT, a severe thunderstorm was located over Luray, or 14 miles south of Woodstock, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.