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Here's what to know about the unusually central and eastern portions of the U.S.

Where and how did people die?

Missouri lost the most lives in the storm and tornadoes, with 13 reported killed. Mississippi saw six people killed by tornadoes.

Wildfires or high winds were blamed for four deaths in Oklahoma, including a person who died in a car crash due to poor visibility and an individual whose remains were found in a burned home.

Vehicle crashes caused by dust storms killed eight in Kansas and three in Texas. Alabama and Arkansas each reported three.

The storm also killed two boys, ages 11 and 13, when a tree fell on their home in western North Carolina on Sunday, according to firefighters.

Multiple tornadoes in several states

There was a significant outbreak of tornadoes, with a preliminary count of 46 on Friday and 41 on Saturday, said Marc Chenard, a meteorologist with the National Weather Service.

Two strong tornadoes tore through the same Mississippi county roughly within an hour of the other on Saturday, according to the weather agency.

The twisters had preliminary ratings of EF-2 and EF-3, out of a rating scale of 0 to 5, and caused devastating damage in Walthall County, in far southern Mississippi, and in Tylertown.

Wildfires and dust storms also proved deadly

caused extensive damage in Oklahoma and officials in both Oklahoma and Texas warned that parts of both states would again face an increased risk of fire danger this week.

More than 130 fires were reported across the state on Friday and over 400 homes were damaged.

Dust storms spurred by high winds resulted at least 50 vehicles crashing on a highway Friday, killing at least eight people, according to the Kansas Highway Patrol. Authorities said three people also died in car crashes during a dust storm in Amarillo, in the Texas Panhandle.

Another system is coming this week

The National Weather Service said weekend tornado watches had mostly expired, but dangerous winds were still possible in the Carolinas, east Georgia and northern Florida through Sunday.

Another system is moving out of the Rockies and into the Plains in coming days, Chenard said. The threat of winter weather picks up on Tuesday into Wednesday in Kansas, Nebraska, Iowa, Wisconsin and Michigan, with significant snow and wind bringing hazardous conditions.

To the south across portions of the Plains there will be drier air, bringing fire weather risk.

Recovery efforts

President Donald Trump said the White House was monitoring the storms and would assist state and local officials to help in the recovery. He said National Guard troops were deployed to Arkansas.