A storm system produced widespread moderate to heavy rainfall and some embedded thunderstorms across the area throughout the day. Strong low level shear prompted some of the more intense showers and thunderstorms to rotate, and three weak tornadoes touched down during the afternoon hours across the eastern half of Middle Tennessee.  Rainfall totals of 3 to 4 inches also caused some flash flooding.

Tornado in BEDFORD, TENNESSEE
From 01-OCT-12 12:25:00 to 01-OCT-12 12:28:00 (CST-6)
Location: ROYAL
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Reports from the Bedford County Emergency Management and Shelbyville Times-Gazette Newspaper as well as analysis of radar data indicate an EF0 tornado briefly touched down across western Shelbyville.  Several trees were blown down along an intermittent path from Parker Road to Rabbit Branch Road to Dow Road. One outbuilding was destroyed on Dow Road. Max winds were estimated to be 65 mph.

Tornado in SMITH, TENNESSEE
From 01-OCT-12 16:31:00 to 01-OCT-12 16:34:00 (CST-6)
Location: GRANT
Tornado F-scale: EF1
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A low end EF1 tornado touched down just north of Interstate 40 in the Grant community before ending near Highway 141.  Several trees were blown down on Dawson Road. Dozens of large trees were snapped and uprooted on a farm located south of S.P. McClanahan Road. Homeowners estimated some of the trees to be over 200 years old. More trees were blown down with skirting damage to a mobile home along S.P. McClanahan Road was damaged and several more trees were uprooted.  A few more trees were blown down before the tornado lifted west of Highway 141.  Max winds were estimated to be 90 mph.
This was the first tornado on record to occur in the month of October in Smith County.

Tornado in WILSON, TENNESSEE
From 01-OCT-12 16:07:00 to 01-OCT-12 16:12:00 (CST-6)
Location: STATESVILLE
Tornado F-scale: EF0
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF0 tornado touched down southwest of the intersection of Knight Creek Road and Greenvale Road in Statesville then moved northeast before ending along Highway 267.  One mobile home slid off its foundation and three sheds were destroyed near the beginning of the path. Aluminum roofing from the sheds was blown hundreds of yards over hills to the northeast. Another shed was lofted and destroyed at a residence off Greenvale Road, and several trees were blown down on Clever Creek Road and Highway 267.  Max winds were estimated to be 85 mph. This was the first tornado on record to occur in the month of October in Wilson County.

Flash Flood in WILSON, TENNESSEE
From 01-OCT-12 16:00:00 to 01-OCT-12 20:00:00 (CST-6)
Location: HOLLOWAY
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wilson County Emergency Management and Lebanon Police Department reported several streets in Lebanon were closed due to flash flooding, including Spring Street and Maple Street. The Timberline Campground on Murfreesboro Road south of Interstate 40 also flooded. Rainfall totals over 3 inches were measured near Lebanon.

Heavy Rain in WILSON, TENNESSEE
From 01-OCT-12 06:00:00 to 02-OCT-12 06:00:00 (CST-6)
Location: GREENWOOD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer TN-WN-74 measured a 24 hour rainfall total of 3.03 inches of rain.

Heavy Rain in FENTRESS, TENNESSEE
From 01-OCT-12 06:00:00 to 02-OCT-12 06:00:00 (CST-6)
Location: RIVERTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer TN-FN-9 measured a 24 hour rainfall total of 3.43 inches.

Heavy Rain in WILSON, TENNESSEE
From 01-OCT-12 06:00:00 to 02-OCT-12 06:00:00 (CST-6)
Location: LEBANON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer TN-WN-64 measured a 24 hour rainfall total of 3.11 inches.