Archive for the Local Weather Events Category

Heavy rainfall causes flash flooding

Yesterday morning’s heavy rains caused flash flooding in several areas in Decatur County. The rain fell at a rate of 8.11″/hr at its heaviest. Rainfall total for Monday and Tuesday is 4.61″.

Several roads in the county were reported to be flooded: Bible Hill Rd, Old Perryville Rd, Hwy 412 and Davis Mill Rd, Tomlin Chapel Rd and McKenzie Rd where the roadway was washed out by flood waters.

Preliminary results from the Lawrence Co. and the Giles Co. tornado surveys

A National Weather Service survey team viewed damage from the tornado that hit Lawrence and Giles counties on Friday, April 11.

In Lawrence County…the tornado tracked from 4.2 miles northwest of Lawrenceburg to 7.8 miles northeast of Lawrenceburg from 1205 PM CDT to 1215 PM CDT, Friday April 11. The path length of the tornado was 10 miles with a path width of 100 yards. The tornado was rated a low end EF-3 on the enhanced f scale. EF-3 winds range from 136 to 165 mph. Numerous trees were snapped and uprooted. Many homes had roof damage. A TVA electrical transmission tower was blown down.

In Giles County…the tornado tracked from 0.4 miles west northwest of Liberty Hill to 4.4 miles northeast of Liberty Hill. The path length of this tornado was 4.8 miles, with a path width of 100 yards. The tornado was rated a low end EF-3 on the enhanced f scale. Many homes had roof damage. A well built home was completely leveled at Liberty Hill. Numerous trees were snapped and uprooted.

The tornado moved across northwest Giles County from 1220 PM CDT to 1224 PM CDT, Friday April 11.

Survey of tornado damage in Middle TN.

Officials of the National Weather Service conducted a two day ground survey of multiple tornadoes that occurred in Perry…Hickman…Dickson…Davidson and Sumner counties during the evening of February 5th and morning of February 6th, 2008.

Based on the observed damage in Perry…Hickman…Dickson…and Davidson counties…the National Weather Service has determined that the tornadoes were rated an EF-0 on the Enhanced Fujita intensity scale, having winds near 85 mph.

In Sumner County…there were two tornadoes noted. The first tornado struck western Sumner County and was determined to be an EF-0…and the second tornado was determined as an EF-1 with winds near 110 mph.

The EF-1 tornado in Sumner County touched down approximately 5 miles northwest of Gallatin…near Liberty…and continued for about 10 miles to 6 miles northeast of Gallatin…near Graball. This tornado caused extensive damage to trees and minor roof damage to homes in its path. The tornado was approximately 200 yards wide at its peak intensity.

The EF-0 tornadoes in Perry…Hickman…Dickson…Davidson…and western Sumner counties produced mainly minor tree damage.

This damage was caused by supercell number three that produced six separate tornado touchdowns along its track.

Storm damage survey in Fayette, Haywood and Western Madison counties.

Storm damage survey team determines EF-3 tornado extended from northeast Fayette County into western Madison County on Tuesday February 5th 2008.

An EF-3 tornado first touched down near Akin Road…9 miles north of Somerville in Fayette County Tennessee about 621 PM CST. The tornado continued moving 30 miles to the northeast causing 3 fatalities and major damage along its path. The maximum width of the tornado was three-quarters of a mile near Huntersville. The tornado lifted up just northeast of Huntersville…very near the rest stop on Interstate 40 around mile marker 72.

A fatality occurred on Yum Yum Road…9 miles north of Somerville Tennessee in Fayette County about 622 PM CST. A man sitting in his truck in a shed was killed when the truck tumbled at least 40 feet and was severely damaged. The tornado at this point was an EF-3 with maximum winds at 140 miles an hour and a width of 500 feet.

As the tornado continued northeast into Haywood County…it caused EF-2 damage in the town of Dancyville about 632 PM CST. Major damage was reported to 2 houses and a church while numerous large trees were uprooted. The tornado was rated an EF-2 at this point with maximum winds near 120 miles an hour and a width of one quarter of a mile.

In extreme southeast Haywood County…the tornado continued to cause destruction in the town of Hillville about 636 PM CST. Two Mobile homes were totally destroyed…one house had major damage…and a convenience store suffered severe roof damage. In addition…an outbuilding was completely flattened with large trees uprooted or snapped. While in Hillville…the tornado was rated an EF-2 with maximum winds near 125 miles an hour and a width of six hundred yards.

The tornado continued into Madison County moving through the town of Huntersville about 650 PM CST and gaining in strength. The tornado caused EF-3 damage in Huntersville with maximum winds near 160 mph and maximum width near three quarters of a mile. Two fatalities occurred in homes that were totally destroyed. Widespread and significant damage occurred in structures throughout Huntersville.

The tornado lifted just northeast of Huntersville.

Survey of tornado that struck Benton and Houston counties.

Officials of the National Weather Service conducted a ground survey of a tornado that occurred in Benton and Houston counties during the evening of February 5th, 2008.

Based on the observed damage, the National Weather Service has determined that the tornado was rated on the high end of an EF-1 on the Enhanced Fujita intensity scale, having winds near 110 mph. The Enhanced Fujita intensity scale ranges from EF-0, with winds as low as 65 mph to EF-5, with winds over 200 mph.

The tornado touched down along Danville Road about 4.3 miles east northeast of Big Sandy in the northern part of Benton County. The tornado was about 50 yards wide where it first touched down.

The tornado then increased to one quarter mile wide as it moved rapidly northeast along or close to Danville Road, damaging homes and snapping and uprooting many trees.

It then crossed the Tennessee River and into western Houston County along County Highway 147, where it damaged homes and uprooted and snapped more trees. The tornado then lifted about one half mile west northwest of McKinnon.

The tornado travelled 4.6 miles in Benton County and 2.6 miles in Houston County, for a total path length of 7.2 miles.

The supercell thunderstorm that generated the tornado continued moving rapidly northeast and into Montgomery County. Damage caused from straight-line winds estimated at 80 to 100 mph, occurred for nearly a mile along Indian Mound Road, and at a few locations nearby along U.S. Highway 79 between Oakwood and Woodlawn.