With a persistent surface high pressure area centered off the Atlantic coast circulating warm and very moist air into the region, showers once again blossomed during the late afternoon of June 15th and into the early morning hours of the 16th, partially in response to an approaching upper trough. Radar estimated rainfall amounts ranged from 2 to 4 inches across parts of Grayson, Henry, Pittsylvania, Amherst and Halifax counties most of which fell in about a 1 to 3 hour period under the most intense thunderstorm cores.

Heavy Rain in AMHERST, VIRGINIA
From 15-JUN-17 17:50:00 to 15-JUN-17 20:15:00 (EST-5)
Location: AMHERST
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter reported 3.50 inches of rain in about 2.5 hours.

Heavy Rain in GRAYSON, VIRGINIA
From 15-JUN-17 16:00:00 to 15-JUN-17 17:00:00 (EST-5)
Location: CARSONVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter measured rainfall of 3.62 inches in 50 minutes, between 310 and 400 PM EST. Per NOAA Atlas 14 this is slightly in excess of the 200-year annual recurrence interval or .005 Annual Exceedance Probability.

Heavy Rain in GRAYSON, VIRGINIA
From 15-JUN-17 16:00:00 to 15-JUN-17 17:00:00 (EST-5)
Location: CARSONVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter reported training thunderstorms with heavy rain totaling up to 3.72 inches along a ridgetop near Independence, VA.

Flash Flood in GRAYSON, VIRGINIA
From 15-JUN-17 16:09:00 to 15-JUN-17 18:09:00 (EST-5)
Location: INDEPENDENCE
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Water was reported flowing across Riverside Road (Route 274), partially washing it out. Large rocks were left blocking the road.

Flash Flood in ROANOKE, VIRGINIA
From 15-JUN-17 17:51:00 to 15-JUN-17 18:51:00 (EST-5)
Location: KESLERS MILL
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Urban flash flooding was observed in parts of the Roanoke metro area with numerous flooded roadways throughout the city and reports of people trapped in flooded cars.  Numerous stranded and abandoned vehicles were located along Salem Avenue in Roanoke with water up to car mirrors in some locations. A swift water team performed a rescue from a car at the corner of Loudon Ave. and 19th Street in Roanoke. Flash flooding was also reported via Twitter at the Shaffers crossing underpass, a very flood prone area. The Roanoke Airport ASOS (ROA) measured 1.58 from the storm and Roanoke 8N COOP (ROAV2) 1.62. Despite the impacts, for a 1-hour period the rainfall was only about a 5-year annual recurrence interval (0.20 Annual Exceedance Probability).

Flash Flood in HENRY, VIRGINIA
From 16-JUN-17 02:15:00 to 16-JUN-17 04:15:00 (EST-5)
Location: RIDGEWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Several roads in Henry County were closed due to high water including Pulaski Road and Phospho Springs Road. The flooding was possibly from Reds Creek overflow.

Heavy Rain in ROANOKE, VIRGINIA
From 15-JUN-17 17:20:00 to 15-JUN-17 19:20:00 (EST-5)
Location: MEDLEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter reported 3.52 inches of rain which matches fairly well with radar estimates just north of Roanoke. The rain fell in about a 2 to 3 hour period.

Flood in PITTSYLVANIA, VIRGINIA
From 16-JUN-17 01:09:00 to 16-JUN-17 04:09:00 (EST-5)
Location: SPRING GARDEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

The Pittsylvania County 911 center Twitter account reported high water on Snakepath Road.