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Severe storm, flood threat to extend from Arkansas to New Jersey Tuesday

AccuWeather logo AccuWeather 8/13/2019 Brandon.Buckingham
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The storm system responsible for triggering severe weather across the Midwest Monday and Monday night will continue to bring a threat for disruptive storms on Tuesday.

Cities stretching from Baltimore to Richmond and westward through Nashville, Tennessee, and near Little Rock, Arkansas, will face a threat for severe thunderstorms later Tuesday.

Clusters of thunderstorms that were ongoing across the Midwest and Ohio Valley on Monday night will continue to track east and southeast as the day progresses. These clusters will become focal points for the severe threat later in the day.

Across the Tennessee Valley, thunderstorms will be capable of tapping into extremely moist and unstable air as they track into the area. The hot and steamy air that is in place will provide the fuel necessary to build and maintain thunderstorm activity well into the evening hours.

A similar setup is in place across the mid-Atlantic as well. Hot and humid air made a comeback in the area on Monday and has set the stage for thunderstorm development.

"Thunderstorms that form in the area at risk can produce wind gusts high enough to down trees and power lines, hail, flooding downpours and even an isolated tornado," AccuWeather Meteorologist Renee Duff explained.

"There is the potential for wind gusts to reach an AccuWeather Local StormMax™ of 70 mph," she added.

Motorists could face travel hazards such as reduced visibility, hydroplaning and flooded roads as storms track through.

The thunderstorm threat will largely come to an end in the mid-Atlantic during the evening hours as storms are expected to diminish and track off the Atlantic coast.

Across the Tennessee Valley, some storms may be able to continue to produce gusty winds and torrential downpours into the overnight hours. Northern Mississippi and Alabama may even have to deal with a thunderstorm or two during this time.

While most of the severe thunderstorms are expected to stay south of the Mason-Dixon Line, flooding downpours will soak areas to the north, including much of Pennsylvania, New York, Connecticut, Rhode Island and Massachusetts.

This includes a long stretch of the Interstate 80 and I-81 corridors.

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Although the heavy rain could cause travel disruptions and localized flooding, it will be beneficial to neighborhoods where lawns have started to turn brown in recent weeks.

The risk for localized flooding will extend westward to cities like Nashville; Paducah, Kentucky; and Fayetteville, Arkansas.

At midweek, the threat for heavy to locally severe thunderstorms will stretch from the Carolinas into the Deep South.

Download the free AccuWeather app to stay alert of severe weather advisories. Keep checking back for updates on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.

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