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Flood Watch, Advisories issued; moderate to heavy rainfall may trigger some flooding

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Flood Watch, Advisories issued; moderate to heavy rainfall may trigger some flooding

UPDATE: 2/22/18 – 3 a.m.:  The National Weather Service in Nashville has issued a Flood Advisory for Rapid Rises through 6 a.m. for the following:

  • Dickson County in Middle Tennessee…
  • Montgomery County in Middle Tennessee…
  • Stewart County in Middle Tennessee…
  • Houston County in Middle Tennessee…
  • Humphreys County in Middle Tennessee…

At 1:23 AM CST, Doppler radar indicated heavy rain that will cause minor flooding in the advisory area. Up to an inch and a half of rain has already fallen since Wednesday evening.

Some locations that will experience flooding include Clarksville, Dickson, Waverly, Camden, Dover, Erin, White Bluff, New Johnsonville, McEwen, Burns, Tennessee Ridge, Hurricane Mills, Big Rock, Charlotte, Vanleer, Cumberland City, Slayden, Palmyra, I-40 Near The Tennessee River and Woodlawn.

Additional rainfall of one to two inches is expected over the area through sunrise. This additional rain will result in minor flooding. The Flood Advisory continues for the Mississippi River at Memphis affecting Crittenden, DeSoto and Shelby Counties

The Flood Advisory continues for the Mississippi River at Memphis until further notice. At 9 PM Wednesday the stage was 24.7 feet. Flood stage is 34.0 feet.

The river will rise to near 33.0 feet Monday March 05. At 33.0 feet…In Memphis, Rivergate Drive could begin to flood north of the rail yards. In Arkansas, settlement at Blue Lake is flooded. Most all secondary roads east of the Arkansas levee are covered.

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UPDATE: 2/20/18 – 3 p.m.: The National Weather Service has issued a Flood Watchj which will be in effect from Wednesday, February 21, at 12 p.m. until Sunday, February 25 at 6 a.m. for a portion of Middle Tennessee including the following areas:

  • CHEATHAM
  • DAVIDSON
  • DICKSON
  • HICKMAN
  • HOUSTON
  • HUMPHREYS
  • LEWIS
  • MAURY
  • MONTGOMERY
  • PERRY
  • ROBERTSON
  • STEWART
  • SUMNER
  • WILLIAMSON.

From Wednesday afternoon through late Saturday night, three to six inches of rain is expected to fall on top of already saturated ground.  While isolated flash flooding is not out of the question Wednesday night or this weekend, area rivers and streams are going to be on the rise. Those who experienced flood during the past week need to pay special attention to rainfall accumulations as flood is expected to return to those locations.

Monitor weather forecasts and be alert for potential flood warnings.

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A slow moving frontal system is forecast to push into Middle Tennessee on Wednesday and linger across the area into Thursday. This system will provide some parts of Middle Tennessee with moderate to heavy rainfall. A second system will move in over the weekend and bring another round of moderate to heavy rainfall to the same areas.

Right now, it looks like northwestern Middle Tennessee will receive the most rainfall over the next five days, with rain totals between Wednesday morning and Sunday morning expected to average between three to five inches, with locally higher amounts above six inches possible. Most of the heaviest rainfall isforecast north and west of a line from Lobelville to Portland, including areas around Clarksville, Springfield and Dickson. Other parts of the Mid State are forecast to receive between one and a half and three inches over the next five days.

The periods of heaviest rainfall are expected to be Wednesday afternoon and Wednesday night, and again Saturday afternoon and Saturday night.

Since the grounds in Middle Tennessee are still very wet from previous rains, any additional heavy rainfall could lead to localized flash flooding as well as river and stream flooding.

Stay tuned to the latest forecast and listen for any watches or warnings that might be prompted by the heavy rainfall over the next five days.

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