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Two weather systems threaten flash flooding and drastic temperature changes across the United States


Parts of the southern plains, the Ohio Valley, the central Appalachians and the mid to lower Mississippi Valley will be at risk of severe thunderstorms and flash floods Monday and Tuesday as a storm that drenched Previously dry areas of Texas over the weekend slowly moving northeast to start. the week.

Heavy precipitation was expected Sunday night in Louisiana, Arkansas, Mississippi and southern Missouri, bringing 1 to 3 inches of rain to areas that have already absorbed more than is typical, according to AccuWeather.

“While the rain may not be as intense in this area compared to what Southeast Texas experienced on Saturday, much of the Gulf Coast states are not in drought and may not be able to withstand only a moderate amount of rain, ”AccuWeather Senior said meteorologist Dan Pydynowski.

Tornado watches and warnings have been issued for several counties in Mississippi as rain and heavy storms sweep through the state.

Local media in Byram, Mississippi said a tornado uprooted trees as he moved on highways and was visible for miles.

The National Weather Service in Jackson, Mississippi, received a report of people trapped in a house in Terry, Mississippi. There are also reports of uprooted trees and destroyed mobile homes.

WJTV-TV reports that Yazoo County Emergency Management Director Jack Willingham has said at least five or six families may be displaced following a confirmed tornado in the area.

NWS officials are asking residents of the metropolitan area to take cover to protect themselves from flying debris.

Storm clouds are pictured moving above the horizon in Denver. Forecasters predict stormy weather will be present from Sunday to Tuesday as a cold front containing heavy rain, cooler temperatures and possibly hail sets in over the western inter-mountain range.

A second weather threat is expected to develop over the Rockies late Sunday and Monday, bringing wet snow to high elevations in Colorado and Wyoming and rain to parts of the northern and central plains, the National Weather Service said. .

The upper level trough will explain the dramatic temperature changes in a number of cities along its route. Denver, which on Saturday came close to matching its May 1 high when it recorded 86 degrees, will drop to a high of 47 by Monday.

The rapidly evolving system will then head to the Midwest, where cities like Omaha, Nebraska and Minneapolis will experience temperature drops of up to 15 degrees below normal in early May.

“Many places could see temperatures drop below 32 degrees overnight Tuesday, posing a risk of freezing, especially in normally colder places,” said AccuWeather meteorologist Alyssa Smithmyer.

Contributor: Elinor Aspegren, USA TODAY; Keisha Rowe and Lici Beveridge, Mississippi Clarion-Ledger

This article originally appeared on USA TODAY: Weather changes bring threat of flash floods, drastic temperature drops





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