A weak boundary tapped into plenty of moisture and instability for showers and thunderstorms. Weak winds aloft caused slow moving storms, which led to instance of flooding and flash flooding.

Flood in STAFFORD, VIRGINIA
From 20-AUG-21 09:05:00 to 20-AUG-21 11:05:00 (EST-5)
Location: FALMOUTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Harrell Rd. closed due to flooding at the crossing of Claiborne Run.

Flood in STAFFORD, VIRGINIA
From 20-AUG-21 09:05:00 to 20-AUG-21 11:05:00 (EST-5)
Location: FALMOUTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Harrell Rd. closed due to flooding at the crossing of Claiborne Run.

Flood in KING GEORGE, VIRGINIA
From 20-AUG-21 09:09:00 to 20-AUG-21 11:09:00 (EST-5)
Location: WEEDONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Dahlgren Rd. closed due to flooding near Fulmont Dr.

Flood in KING GEORGE, VIRGINIA
From 20-AUG-21 09:09:00 to 20-AUG-21 11:09:00 (EST-5)
Location: WEEDONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Dahlgren Rd. closed due to flooding near Fulmont Dr.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 09:17:00 to 20-AUG-21 11:17:00 (EST-5)
Location: SWINKS MILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Georgetown Pike. closed due to high water at intersection with Swinks Mill Rd.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 07:37:00 to 20-AUG-21 09:00:00 (EST-5)
Location: MERRIFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

US-50 Arlington Boulevard was closed at Long Branch near VA-699 Prosperity Avenue. Water was flowing across the roadway.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 07:00:00 to 20-AUG-21 09:00:00 (EST-5)
Location: MERRIFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The water level along the Accotink Creek at Strathmeade Springs rapidly rose above flood stage at 6:46 AM EST, cresting at 254.54 feet at 9:35 AM EST. The water level fell below flood stage at 11:48 AM EST. Woodburn Road and Prosperity Avenue were flooded by at least six inches of flowing water.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 07:37:00 to 20-AUG-21 09:00:00 (EST-5)
Location: KENMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

There was a water rescue at the Intersection of VA-677 Old Courthouse Road and Besley Road due to high water flowing out of a creek.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 07:45:00 to 20-AUG-21 09:00:00 (EST-5)
Location: ELKINS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The water level along Difficult Run rapidly rose out of its banks above flood stage at 7:43 AM EST before cresting at 196.17 feet at 11:15 AM EST. The water level fell below flood stage at 7:35 PM EST.  Leigh Mill Road was flooded.

Flash Flood in ALEXANDRIA (C), VIRGINIA
From 20-AUG-21 08:30:00 to 20-AUG-21 09:00:00 (EST-5)
Location: ALEXANDRIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

There was up to 3 feet of standing water in the roadway near the intersection of Union Street and King Street.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:44:00 to 20-AUG-21 09:00:00 (EST-5)
Location: CROWELLS CORNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Browns Mill Road at Beulah Road was closed due to water from Wolftrap Creek flowing over the road.

Flash Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:10:00 to 20-AUG-21 09:00:00 (EST-5)
Location: CLARKS CROSSING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Lawyers Run Road was closed due to flooding from Difficult Run. Water was flowing across the road.

Flash Flood in MADISON, VIRGINIA
From 20-AUG-21 05:00:00 to 20-AUG-21 05:10:00 (EST-5)
Location: OAKPARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Lillards Ford Road was closed in multiple locations due to high water.

Flood in MADISON, VIRGINIA
From 20-AUG-21 05:39:00 to 20-AUG-21 07:39:00 (EST-5)
Location: RADIANT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Lost Mountain Rd. closed due to high water.

Flood in MADISON, VIRGINIA
From 20-AUG-21 06:15:00 to 20-AUG-21 08:15:00 (EST-5)
Location: ARODA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Tom Johnston Rd. closed due to high water.

Flood in MADISON, VIRGINIA
From 20-AUG-21 06:27:00 to 20-AUG-21 08:27:00 (EST-5)
Location: DUET
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Poor House Rd. closed due to high water.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 06:59:00 to 20-AUG-21 08:59:00 (EST-5)
Location: CROWELLS CORNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple lanes on Dulles Toll Rd. blocked due to standing water.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:10:00 to 20-AUG-21 10:10:00 (EST-5)
Location: TREMONT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Woodburn Rd. closed near the intersection with Spicewood Dr. due to flooding.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:12:00 to 20-AUG-21 10:12:00 (EST-5)
Location: BURKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Burke Rd. closed due to flooding near the intersection with Burke Lake Rd.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:10:00 to 20-AUG-21 10:10:00 (EST-5)
Location: ILDA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Prosperity Ave. close due to flooding in the 3700 block.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:10:00 to 20-AUG-21 10:10:00 (EST-5)
Location: ILDA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Prosperity Ave. close due to flooding in the 3700 block.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 08:10:00 to 20-AUG-21 10:10:00 (EST-5)
Location: OAKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Hunter Mill Rd. closed due to high water.

Flood in FAIRFAX, VIRGINIA
From 20-AUG-21 09:30:00 to 20-AUG-21 11:30:00 (EST-5)
Location: BELLE HAVEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Road closure due to flooding on Belle View Blvd. near the George Washington Memorial Pkwy.