The following events were reported: Lightning, Thunderstorm Wind. These occurred near station USW00013743, approximately 26.4786 km away, between 2010-07-25 14:18:00 and 2010-07-25 15:35:00.The events resulted in 0 injuries and 1 fatalities. The events caused property damage valued at 179500.0 and crop damage of 0.0. Episode Narrative: A strong upper-level disturbance and its associated cold front moved into Maryland on the 25th. Hot and humid conditions ahead of the front led to high amounts of instability. Showers and thunderstorms developed along and ahead of the cold front. Due to the high amounts of instability, thunderstorms were able to mix down strong winds from aloft causing significant amounts of damage across portions of Maryland. A strong upper-level disturbance and its associated cold front moved into Maryland on the 25th. Event Narrative: A concrete grounded fence was blown down on Fenton Street between Wayne Avenue and Bonifant Avenue. A tree six inches in diameter was down across the intersection of Route 193 and 320. A tree was down over the road and several branches were down. Numerous trees were damaged with some wires down. Wind speeds were estimated around 70 mph. A tree fell down onto a minivan along Rhode Island Avenue and Odessa Road. The entrance ramp to Interstate 495 from River Road was closed due to a tree blocking the road. Three very large trees were down on Aspen Hill Road. Large tree limbs were down. A tree one foot diameter was down at the 6100 Block of Selvan Road in Bethesda. Trees were down near Aspen Hill. Trees were blocking the exit off the Capital Beltway onto Connecticut Avenue. Six buildings at an apartment complex received roof damage, including partial and complete removal of roofs. A tree fell onto a car. Ten buildings at an apartment complex sustained substantial roof damage. Portions of large trees were down near Derwood. A large tree was down on a house along Danville Court. A tree was reported down at Gude Drive and Maryland Route 28. A tree was down on west Montgomery Avenue. A fatality occurred due to a lightning strike at the Watkins Pond Community Garden in Rockville. Numerous trees and power lines were down on route 28 between downtown Rockville and Interstate 270. A tree was down across the Metro Red Line tracks. Numerous tree branches 5 to 7 inches in diameter were down along Karen Drive. A tree was down on Blossom Point Road. A tree was down on Somerset Street. A tree was down on Bel Alton Newton Road. A tree was down along the intersection of Old Washington Road and Oak Manor Road. A tree was down on Bensville Road and another tree was down between Billingsley Road and Robie Manor Drive. A tree was down on Pomfret Road. A tree was down near Bumpy Oak Road and Gwynn Road. Trees and wires were down near Sandy Point Road and Eagle Pond Place. A tree was down on Fire Tower Road. Large trees were down and a small shed was destroyed. Shingles were also removed from a roof near Greenbelt. Large limbs were down in the vicinity of Democracy Boulevard and Seven Locks Road. U.S. 29 was closed at Southwood Avenue due to a downed tree. Trees twelve inches in diameter were down along Connecticut Avenue between Aspen Hill and Viers Mill Road. A wind gust of 66 mph was reported near White Oak. Two heavy wooden benches were blown into a parking lot.