As an upper level low pressure system approached Middle Tennessee, and a surface low pressure system developed in northeast Louisiana, a warm, moist, and unstable airmass was ushered across the Cumberland Plateua Region of the mid state, resulting in a severe thunderstorm developing and producing large hail in Smith County. Other thunderstorms brought lightning damage to Putnam County and strong thunderstorms with heavy downpours to Smith County also, which resulted in a death associated with a vehicle accident due to hydroplaning.

Hail in SMITH, TENNESSEE
From 12-MAR-10 08:15:00 to 12-MAR-10 08:15:00 (CST-6)
Location: GORDONSVILLE
Magnitude: 1.00 
Property damage: 10.00K
Reported by: Public

One inch hail was reported in Carthage. Newspaper also reported that hail rained down across much of the county, and it was so intense, it piled up on roadways and on roofs of houses and buildings, forming a coating of ice in many areas of the county. The hail was so thick at times, that some motorist temporarily pulled off the roadways until the ice eventually turned into rain. Predominately, hail fell for generally 10 to 15 minutes before changing over to all rain. There were no widespread reports of damage to vehicles, homes, etc., resulting from the hail storm. Even though roadways were iced-over in some areas, there were no reports of wrecks involving serious injuries.

Heavy Rain in SMITH, TENNESSEE
From 12-MAR-10 11:50:00 to 12-MAR-10 11:50:00 (CST-6)
Location: CANEY FORK
Property damage: 50.00K
Reported by: Newspaper

As reported by the Tennessee Highway Patrol, Jessie C. Brewer, 69, of Rockwood, Tennessee, died after his 1994 Ford ASP hydroplaned and ended up running in front of a tractor trailer truck. Brewer was headed west on Interstate 40 at the 263 mile marker in Smith County, when he lost control of the car on rain slick Interstate 40. Brewer's car hydroplaned, ran off the right shoulder, and struck the guardrail, then slid back to the left across both lanes of traffic, struck the guardrail, then slid back to the left across both lanes of traffic again, struck the guardrail on that side again, and then ran back into the traffic lanes and into the path of a tractor trailer truck, which struck Brewer's vehicle in the left side. The driver of the tractor trailer truck was not injured. Any damage associated with the car and the tractor trailer truck was unknown. Actual depth of water on the road was also unknown.

Lightning in PUTNAM, TENNESSEE
From 12-MAR-10 10:40:00 to 12-MAR-10 10:40:00 (CST-6)
Location: CANEY FORK
Property damage: 250.00K
Reported by: Newspaper

According to the Putnam County Sheriffs Department, the home of Tom Shoemake, on Overstreet Drive, was struck by lightning. The lightning strike caused damage to two vehicles, his yard, a tree, his driveway, the carport, and the electrical wiring in the house. A witness reported that the lightning first struck the tree in the yard, then appeared to travel through the root system of the tree into the concrete. When it hit the driveway, a big chunk of concrete hit a Chrysler car. The vehicle had extensive damage all over and three flat tires. From the driveway, the lightning traveled into the carport area, it blew out a concrete boulder. The boulder hit the ceiling of the carport, then came back down in the back window of a Chevrolet car. There was extensive damage to this car. The lightning then traveled into the electric wiring of the residence, blowing the door bell off the door. It also made a ditch in the yard and damaged the siding and gutter system.