Low pressure stalled over Virginia, with easterly winds across northern Virginia advecting deep Atlantic moisture to the area.  Clusters of training showers and thunderstorms developed, some with very high rainfall rates.  Up to 5.15 inches of rainfall was observed in Prince William County.  Flash flooding and later areal flooding resulted.

Flash Flood in FAUQUIER, VIRGINIA
From 21-MAY-12 23:46:00 to 22-MAY-12 02:00:00 (EST-5)
Location: NEW BALTIMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Vint Hill Road was closed between Acorn Farm Lane and Buckland Mill Road due to flash flooding.  A nearby spotter tallied 4 inches of rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:54:00 to 22-MAY-12 02:00:00 (EST-5)
Location: GAINESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Linton Hall Road was closed due to flash flooding at Harness Shop Road.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:07:00 to 22-MAY-12 02:00:00 (EST-5)
Location: WELLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Prince William Parkway was closed at Balls Ford Road due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:22:00 to 22-MAY-12 02:00:00 (EST-5)
Location: GAINESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Lee Highway was closed at Pageland Lane due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:24:00 to 22-MAY-12 02:00:00 (EST-5)
Location: CATHARPIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Sanders Lane was closed at Sudley Road due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:26:00 to 22-MAY-12 02:00:00 (EST-5)
Location: CATHARPIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Pageland Lane was closed at Artemus Road due to flash flooding on Little Bull Run.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:29:00 to 22-MAY-12 02:00:00 (EST-5)
Location: GAINESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heathcotes Boulevard at Cartharpin Road closed due to flash flooding.

Flash Flood in LOUDOUN, VIRGINIA
From 22-MAY-12 01:00:00 to 22-MAY-12 03:00:00 (EST-5)
Location: PURCELLVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

East Loudoun Street was partially closed due to flash flooding just east of the Route 7 Bypass.  A nearby spotter reported 3.10 inches of rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 02:00:00 to 22-MAY-12 03:00:00 (EST-5)
Location: BRISTOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Part of Valley View Drive was washed out due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 00:30:00 to 22-MAY-12 03:00:00 (EST-5)
Location: ADEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A swift water rescue was performed in Aden. Also, Aden Road was washed out near Misty Creek Court.

Flash Flood in LOUDOUN, VIRGINIA
From 22-MAY-12 01:00:00 to 22-MAY-12 03:00:00 (EST-5)
Location: PURCELLVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Appalachian Trail Road at Woodgrove Road was closed due to flash flooding.  A nearby rain gauge tallied 1.76 inches.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 01:00:00 to 22-MAY-12 03:00:00 (EST-5)
Location: ADEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Portion of Fleetwood Drive washed away due to flash flooding.  A nearby rain gauge documented 4.32 inches.

Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 03:00:00 to 22-MAY-12 09:00:00 (EST-5)
Location: BRISTOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Piper Lane near a commuter rail station was flooded due to Broad Run exceeding its banks.

Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 03:00:00 to 22-MAY-12 09:00:00 (EST-5)
Location: WELLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Three swift water rescues were performed in Broad Run floodwaters.

Flood in PRINCE WILLIAM, VIRGINIA
From 22-MAY-12 09:00:00 to 22-MAY-12 15:00:00 (EST-5)
Location: BRENTSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several roads remain flooded and closed south of Bristow due to earlier rainfall.  Closed roadways included Old Church Road and Bristow Road.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 02:00:00 to 23-MAY-12 03:00:00 (EST-5)
Location: BRISTOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Valley View Drive was closed between Crockett Road and Bristow Road due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 02:00:00 to 23-MAY-12 03:00:00 (EST-5)
Location: RIXLEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Hornbreaker Road was closed between Nokesville Road and Industrial Road due to overflowing stream.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 02:18:00 to 23-MAY-12 03:30:00 (EST-5)
Location: NOKESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Aden Road was closed at Carriage Ford Road due to flash flooding.

Flash Flood in FAUQUIER, VIRGINIA
From 23-MAY-12 17:44:00 to 23-MAY-12 20:30:00 (EST-5)
Location: HALFWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

High water rescue was performed at the intersection of Zulla Road and Smitten Farm Lane due to flash flooding.  A nearby spotter totaled 3.33 inches of rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 18:00:00 to 23-MAY-12 20:00:00 (EST-5)
Location: HICKORY GROVE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A high water rescue was performed at the intersection of Little River Road and Logmill Road.  A nearby rain gauge recorded 3.27 inches.

Flash Flood in FAUQUIER, VIRGINIA
From 23-MAY-12 19:43:00 to 23-MAY-12 21:00:00 (EST-5)
Location: CALVERTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Portion of Route 28 near Southeastern Alternative School was closed due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 20:02:00 to 23-MAY-12 21:00:00 (EST-5)
Location: CANOVA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A portion of Dumfries road was closed between Purcell Road and Hoadly Road due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 20:27:00 to 23-MAY-12 22:00:00 (EST-5)
Location: LONGVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A water rescue was performed at Lucasville Road and Hidden Spring Drive due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 20:33:00 to 23-MAY-12 22:00:00 (EST-5)
Location: MANASSAS ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Flash Flooding forced the closure of Bristow Road near Wright Lane.

Flood in PRINCE WILLIAM, VIRGINIA
From 23-MAY-12 22:00:00 to 24-MAY-12 04:00:00 (EST-5)
Location: BRENTSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Numerous roads were closed in the Bristow area due to flooding from earlier heavy rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:02:00 to 22-MAY-12 02:00:00 (EST-5)
Location: WELLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wellington Road was closed at Piney Branch Lane due to flash flooding on Piney Branch.  A nearby rain gauge recorded 4.90 inches.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:05:00 to 22-MAY-12 02:00:00 (EST-5)
Location: THOROUGHFARE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Old Carolina Road was closed at Thoroughfare Road due to flash flooding.  A nearby spotter observed 4.43 inches of rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:20:00 to 22-MAY-12 02:00:00 (EST-5)
Location: GAINESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Intersection of John Marshall Highway and Cartharpin Road was closed due to high water.  A nearby rain gauge measured 4.59 inches.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:30:00 to 22-MAY-12 02:00:00 (EST-5)
Location: WELLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Devlin Road was closed at Asheleys Park Lane due to flash flooding.  A nearby spotter recorded 2.39 inches of rainfall.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:30:00 to 22-MAY-12 02:00:00 (EST-5)
Location: WELLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Devlin Road was closed at Jennell Drive due to flash flooding.

Flash Flood in PRINCE WILLIAM, VIRGINIA
From 21-MAY-12 23:30:00 to 22-MAY-12 02:00:00 (EST-5)
Location: BRISTOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Nokesville Road at Aiden Road was closed due to flash flooding.  A nearby spotter observed 5 inches of rain.