Flood in Bourbon County, Kentucky
Flood September 23, 2018 · Bourbon County, Kentucky
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A female interning at Silver Springs Stud Farm was returning from lunch on Brentsville Road when she drove into water from a flooded stream over the roadway. The stream swept the vehicle into a deep pool off the road. Within moments, the top of the car was several feet below the surface of the water. The victim's body was recovered several hours later from the backseat of the vehicle.
The wider storm
On the afternoon of September 22nd, a flash flood watch was issued to cover southeast Indiana and areas in and around the Bluegrass Region of Kentucky.
By September 23rd, a cold front stretched west to east from western Tennessee to far
east-central Kentucky on through eastern Kentucky. The front was tilted northward with the 700 mb level of the front just north of the Ohio River. Low level northward flow carried moisture and overran the front producing widespread stratiform rain showers. The pattern was in response to the area sitting under the right entrance region of an upper level jet.
The quasi-stationary front produced showers with high rainfall rates and slow movement to the east into the Bluegrass and northeastern Kentucky. The ground east of Interstate 65 and in counties along the Ohio River was already saturated from previous rainfall. The high rainfall rates and slow system movement caused widespread flash flooding and areal flooding through southern Indiana and the Bluegrass Region of Kentucky.
On September 25th ahead of an advancing cold front, a saturated air mass was in place with precipitable water values near two inches. With this air mass and shear ahead of the cold front, convective showers formed over southern Indiana and advanced east along Interstate 65 causing flooding issues in the system's path.
Began near Brentsville (38.2400, -84.3100).
Source: NOAA Storm Events Database, event 783701. Narratives are written by the National Weather Service forecast office that issued the report.
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