Upper level low pressure was centered over Hudson Bay to start the day on the 13th, with generally zonal west to east flow from the central Plains through the Mid-Atlantic.  A slow-moving cold front was draped across the Ohio River Valley.  Early in the day, an upper level disturbance embedded in the upper level windflow was observed crossing southern Ohio and West Virginia, reaching central Virginia during the afternoon.  Thunderstorm activity increased in an environment of surface-based CAPEs climbing to around 3,000 J/Kg, while precipitable water values climbed into the 1.7 to 1.9 inch range by early evening.  A series of thunderstorms passed across the City of Lynchburg and northern Campbell County during the evening, producing 3 to locally 6 inch per hour rainfall rates.  The first storm passed across Lynchburg shortly after 4 pm, with additional rounds arriving at 6 pm, 7 pm and 9 pm.  Each round brought 1 to 3 inches of rain to the city, depending on location.  CREST Unit Streamflows rising over 1,000 cfs per mi^2.  FLASH Average Recurrence Intervals maxed out at over a 200-year rainfall event at the 6-hour duration.

Flash Flood in LYNCHBURG (C), VIRGINIA
From 13-JUL-23 17:40:00 to 13-JUL-23 23:45:00 (EST-5)
Location: LYNCHBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Runoff from up to 6 inches of rainfall resulted in over one foot of flowing water along Fort Avenue. Several cars were inundated up to their windows by the flooding, with water entering the passenger compartments.  The road was closed until flooding receded.  No damage was reported to the road.

Flash Flood in CAMPBELL, VIRGINIA
From 13-JUL-23 19:15:00 to 14-JUL-23 23:30:00 (EST-5)
Location: POSM
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Staff at the Campbell County 911 Center reported that Moores County Store in Concord, VA is flooded. Three to four feet of water was observed flowing through the store and the adjacent portion of Richmond Highway.

Flash Flood in LYNCHBURG (C), VIRGINIA
From 13-JUL-23 17:45:00 to 13-JUL-23 21:00:00 (EST-5)
Location: LYH IVY HILL ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A tributary of Blackwater Creek was observed overflowing its banks and flowing across Greenwood Drive at least 6 inches deep. No damage was reported to the roadway, and it was passable to traffic after the flooding receded.

Flash Flood in LYNCHBURG (C), VIRGINIA
From 13-JUL-23 17:45:00 to 13-JUL-23 21:00:00 (EST-5)
Location: LYH IVY HILL ARPT
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Blackwater Creek was observed well out of its banks and flowing over one foot deep across much of Sandusky Park, including the parking lot. No significant damage was reported to the park, except for cleanup of the debris.

Flash Flood in LYNCHBURG (C), VIRGINIA
From 13-JUL-23 17:40:00 to 13-JUL-23 23:00:00 (EST-5)
Location: BLUE RIDGE FARMS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rainfall was widespread across the City of Lynchburg, with rates observed as high as 5 inches per hour at times.  The rainfall overwhelmed storm water drains, causing heavy runoff to flow down roads and across properties within the city.  Flash flooding occurred on several roads within the city, causing them to be impassible until the flooding receded.  These roads include the 2500 block of Carroll Avenue, Old Campbell Avenue, Otey Street, Oakley Avenue at Wythe Road, Kemper Street, McConville Road.

Heavy Rain in LYNCHBURG (C), VIRGINIA
From 13-JUL-23 15:00:00 to 13-JUL-23 21:00:00 (EST-5)
Location: LYH IVY HILL ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A personal weather station (Weather Underground: KVALYNCH106) recorded 4.86 inches during multiple rounds of thunderstorm activity within a 6 hour period, which is about a 100-year Average Recurrence Interval (ARI) event per NOAA Atlas 14 Point Precipitation Frequency estimates. The storm total for this location was around 5.90 inches, which persisted into the early hours of the 14th, which is between a 50- and a 100-year ARI.