Showers and thunderstorms overspread northern Virginia during the afternoon and evening in advance of a deep upper-level trough over the Ohio Valley. Moderate to heavy rainfall amounts over saturated ground in Loudoun County flooded a couple of roadways.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LWX wrote it up.
Showers and thunderstorms overspread northern Virginia during the afternoon and evening in advance of a deep upper-level trough over the Ohio Valley. Moderate to heavy rainfall amounts over saturated ground in Loudoun County flooded a couple of roadways. The highest measured amount of rain was 1.36 inches from near Leesburg.
The national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
Sycolyn Road was closed near the Dulles Greenway due to flooding.
One lane blocked of Route 15 near Braddock Road due to high water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Virginia in 2011Every state in 2011This day in weather historyWarnings in Virginia, October 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 347494, 347495.