Weather Aware: Tornado warning in effect for parts of Mecklenburg, Cabarrus, Union counties

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Chief Meteorologist Brad Panovich said people should treat all severe thunderstorm warnings as if they were tornado warnings, and seek shelter.

CHARLOTTE, N.C. — Tuesday is a day to be Weather Aware.  

A tornado warning is in effect for parts of Mecklenburg, Cabarrus and Union counties. The warnings are set to expire at 3 p.m. 

A severe thunderstorm warning is in effect for Mecklenburg and Union counties until 2:45 p.m., and for Davidson, Forsyth and Guilford counties until 3 p.m. Chief Meteorologist Brad Panovich said people should treat all severe thunderstorm warnings as if they were tornado warnings, and seek shelter.

A flash flood warning is in effect for Polk and Rutherford counties until 7:15 p.m.

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This is a prime set up for downed trees and power outages.

Below: Photos of storm damage in the Carolinas. Click here to learn how to share your photos and videos with WCNC Charlotte. 

One person has died and two others are in critical condition after severe weather hit Catawba County on Tuesday. According to Catawba County Communications, the National Weather Service was in the area to evaluate exactly what type of severe weather hit the area.

DAMAGE IN THE CAROLIINAS: See the latest damage reports here

North Carolina Gov. Roy Cooper signed an executive order to declare a State of Emergency ahead of Tuesday’s severe weather threat. 

The most recent forecast shows the worst of the weather arrives around the early afternoon, and all severe threats diminishing by the evening.

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Winds

There is a Wind Advisory that started at 10 a.m. and lasts through 10 p.m. Winds will be driving out of the south at 20 mph to 30 mph throughout most of the day with peaks up to and over 50 mph into the afternoon. These gusts will be the strongest along a line of strong storms capable of downing trees and causing power outages. Soil is already saturated, and this will allow for shallow rooted trees to fall easier than a dry soil where the roots are locked. 

Around 11:20 p.m., wind gusts up to 46 mph had been reported at Bank of America Stadium.

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Winds could be as high as 60 mph in the mountains, since the higher up, the less friction there is preventing winds — that’s led to a High Wind Warning. Peak winds are expected between 1 p.m. and 4 p.m. for the Charlotte area. 

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Flooding

Since Dec. 9, Charlotte has had more than 7 inches of rain. 

This has helped with the drought but flooding will happen quicker than it did a couple of weeks ago. Rain began in the morning, but the heaviest rain will come with a thunderstorm threat in the early to mid afternoon. 

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Right now the best case scenario is 1 to 2 inches of rain, but some models are suggesting 3 to 5 inches are possible with this system. This means quick rising water and a flash flood threat on top of everything else.

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Severe storms and tornado threat

Severe storms will be along a line called a Q.L.C.S. (Quasi-Linear Convective System). Lines like these are prone to the leading edge to bring a swath of the strongest winds of the day and even spin-up tornadoes in the notches.

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It is because of this and an ample amount of wind shear that there is an elevated threat for wind damage and tornadoes. 

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The worst of the weather will be east and south east of Charlotte, as the later timing brings more favorable and unstable conditions. 

By noon, several counties in the region were placed under a tornado watch.

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Timing

Rain started in the morning, with some wintry mix in the mountains initially. There will be less rain in our eastern and southeastern counties to start but this will keep the instability higher for these zones. Winds could soon be gusting up to 35 to 50 mph across the area, and the worst of the weather will arrive into the afternoon. Notice how the line below progresses.

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Final notes

The ingredients are all lining up for multiple threats throughout the day. Gusty winds will be with us all day, widespread rain causing gradual flooding. Downed trees could lead to multiple power outages and a line of severe thunderstorms is where the worst of the weather will move through. On top of that, dangerous lightning will add one more threat. This is a day to stay weather aware and try to avoid travel (especially late morning and early afternoon around the Charlotte area). Stay safe and we will keep you in the know.

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