Abnormally moist atmosphere across the mid-Atlantic allowed showers and thunderstorms to produce exceptional rainfall rates across portions of northern Virginia
as the remnants of Tropical Depression Lee interacted with a nearly stationary boundary near the Mason-Dixon line. Major flooding and flash flooding occurred in numerous areas. The highest rainfall and worst flooding happened in a band from King George County northward into Fairfax County. An AWOS site in Fairfax County measured 13.48 inches of rain.

Flash Flood in SPOTSYLVANIA, VIRGINIA
From 08-SEP-11 21:00:00 to 08-SEP-11 23:00:00 (EST-5)
Location: FIVE MILE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Numerous roadways were closed in eastern Spotsylvania County.  A sinkhole occurred near the intersection of Windsor Drive and Abbey Lane.

Flash Flood in FAIRFAX (C), VIRGINIA
From 08-SEP-11 17:00:00 to 08-SEP-11 18:00:00 (EST-5)
Location: FAIRFAX
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding on Piney Branch Creek near Marcliff Court swept away and drowned a 12 year old male.

Flash Flood in FALLS CHURCH (C), VIRGINIA
From 08-SEP-11 18:10:00 to 08-SEP-11 20:00:00 (EST-5)
Location: FALLS CHURCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

South West Street closed between Poplar Drive and Kennedy Street due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 19:15:00 to 08-SEP-11 21:00:00 (EST-5)
Location: PENDER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Westbound Interstate 66 was closed due to flash flooding at Exit 57.

Flash Flood in MANASSAS (C), VIRGINIA
From 08-SEP-11 19:30:00 to 08-SEP-11 21:00:00 (EST-5)
Location: MANASSAS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Virginia Railway Express Trains shut down due to flash flooding on the tracks.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 19:55:00 to 08-SEP-11 22:00:00 (EST-5)
Location: NEWINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Numerous high water rescues were performed on Cinder Bed Road.  A nearby observer recorded 9.94 inches of rain.

Flash Flood in STAFFORD, VIRGINIA
From 08-SEP-11 20:00:00 to 08-SEP-11 22:00:00 (EST-5)
Location: FALMOUTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

River Road was closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 17:00:00 to 08-SEP-11 18:30:00 (EST-5)
Location: GREAT FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding on Charles Branch submerged vehicle on Beach Mill Road near Club View Drive.  One person was swept away and drowned.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 14:20:00 to 08-SEP-11 17:00:00 (EST-5)
Location: CROWELLS CORNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hunter Mill Road underpass beneath the Dulles Toll Road was closed due to flash flooding.  A nearby spotter recorded 6.84 inches of rain during the event.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 14:35:00 to 08-SEP-11 17:00:00 (EST-5)
Location: SUNSET HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wiehle Avenue was closed at North Shore Drive due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 14:40:00 to 08-SEP-11 17:00:00 (EST-5)
Location: RESTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A swift water rescue was performed near the intersection of Walker Road and Windswept Drive due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 15:05:00 to 08-SEP-11 17:00:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Route 50 closed at Oak Street due to flash flooding.

Flash Flood in KING GEORGE, VIRGINIA
From 08-SEP-11 18:00:00 to 08-SEP-11 21:00:00 (EST-5)
Location: DAHLGREN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Numerous roadways were closed throughout the county, with the most concentrated and significant flash flooding occurring around Dahlgren.

Flash Flood in FAIRFAX (C), VIRGINIA
From 08-SEP-11 15:05:00 to 08-SEP-11 17:00:00 (EST-5)
Location: FAIRFAX
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding of Accotink Creek forced the closure of numerous roadways, including Route 50 at Rebel Run, Eaton Place, and Draper Drive.  Also, Pickett Road was closed at Old Pickett Road and Old Lee Highway was closed at Ridge Drive.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 17:30:00 to 08-SEP-11 19:00:00 (EST-5)
Location: LINCOLNIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flooding on Turkey Cock Run closed Edsall Road and submerged a car.  A nearby spotter observed 12.56 inches of rain.

Flash Flood in ALEXANDRIA (C), VIRGINIA
From 08-SEP-11 18:15:00 to 08-SEP-11 21:00:00 (EST-5)
Location: ALEXANDRIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Southbound Interstate 95 was closed between Telegraph Road and the Eisenhower Road Exit due to flash flooding on Cameron Run.

Flash Flood in FALLS CHURCH (C), VIRGINIA
From 08-SEP-11 18:15:00 to 08-SEP-11 20:00:00 (EST-5)
Location: FALLS CHURCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

South Oak Street was closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 15:10:00 to 08-SEP-11 17:00:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Intersection of University and Kenmore Drives closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 15:20:00 to 08-SEP-11 17:00:00 (EST-5)
Location: CHANTILLY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Intersection of Stringfellow Road and Route 50 was closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 17:10:00 to 08-SEP-11 19:00:00 (EST-5)
Location: FT BELVOIR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding of Accotink Creek stranded cars on Route 1, Fairfax County Parkway, and Telegraph Road.  On Accotink Creek Bridge on Telegraph Road, one person was swept away and drowned.

Flash Flood in KING GEORGE, VIRGINIA
From 07-SEP-11 20:45:00 to 07-SEP-11 22:00:00 (EST-5)
Location: ALLNUT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Poplar Neck Road was closed due to flash flooding.  A trained spotter near the event recorded a storm total of 12.30 inches of rain.

Flash Flood in KING GEORGE, VIRGINIA
From 07-SEP-11 20:45:00 to 07-SEP-11 22:00:00 (EST-5)
Location: HOOES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Owens Drive at Potomac Drive was closed due to flash flooding.  A nearby spotter recorded 8.35 inches of rain.

Flood in ARLINGTON, VIRGINIA
From 08-SEP-11 03:00:00 to 08-SEP-11 08:00:00 (EST-5)
Location: ROSSLYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Route 110 and Interstate 66 Exit Ramp closed at their intersection due to high water.  A trained spotter in Arlington recorded 9.90 inches of rainfall.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 12:15:00 to 08-SEP-11 14:00:00 (EST-5)
Location: CULMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A high water rescue was performed at Route 50 and Annandale Road.  A nearby spotter observed 6.00 inches of rain.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 13:45:00 to 08-SEP-11 16:00:00 (EST-5)
Location: PENDER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The retention pond at Fair Oaks Mall overtopped its banks and flooded Route 50.  A spotter near this location recorded 10.18 inches.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 13:45:00 to 08-SEP-11 17:00:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Route 123 near Assembly Drive was closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 13:50:00 to 08-SEP-11 17:00:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

University Drive near George Mason University was closed due to flash flooding.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 14:10:00 to 08-SEP-11 17:00:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High water rescued being peformed on stranded vehicles at the intersection of Routes 123 and 50.  A nearby spotter recorded 7.59 inches of rain.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 12:20:00 to 08-SEP-11 15:00:00 (EST-5)
Location: LEWINSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Swift water rescue at Route 123 at the Dulles Toll Road.  A storm total rainfall amount near this event was 11.45 inches.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 13:50:00 to 08-SEP-11 17:00:00 (EST-5)
Location: CLARKS CROSSING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A swift water boat rescue was performed at Hunter Mill Road and Lawyers Road as a result of flash flooding.  A nearby spotter measured 5.39 inches of rain.

Flash Flood in FAIRFAX, VIRGINIA
From 08-SEP-11 14:40:00 to 08-SEP-11 17:00:00 (EST-5)
Location: VALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Waples Mill Road was closed at Oakton Road due to flash flooding.

Flash Flood in FALLS CHURCH (C), VIRGINIA
From 08-SEP-11 18:15:00 to 08-SEP-11 20:00:00 (EST-5)
Location: FALLS CHURCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Sherrow Road was closed due to flash flooding.