A couple was killed in Nashville, Arkansas yesterday when powerful winds smashed their mobile home in a trailer park, Howard County Coroner John Gray told local media. An infant in the home reportedly survived.
About 290 kilometers to the southwest in Van, Texas, 10 people were unaccounted for after a tornado ripped through the town and injured dozens of people, Van Zandt County Fire Marshal Chuck Allen said.
Homes were completely destroyed, and trees and power lines were toppled as high winds and heavy rains pounded the town in eastern Van Zandt county late yesterday.
He said 30 per cent of all property in the city was damaged.
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"Fire and law enforcement are going door to door performing a thorough secondary search. We are attempting to find any further injured individuals," Allen said.
The American Red Cross was also on site to help set up shelters, where people started to gather Sunday.
Allen said school classes were cancelled Monday, and authorities would be able to fully assess the damage later in the day.
The National Weather Service warned of more harsh weather in the coming days.
"Flash flooding will continue to remain an issue as much of the ground is already saturated."
Flood and thunderstorm warnings were issued in other parts of Texas, which is in a tornado-prone area of the United States.
The storm hit Van only days after a twister tore through Eastland county, Texas, on Saturday, 205 miles (330 kilometers) east of Van Zandt, killing one person and leaving another seriously injured.
Meanwhile, a tornado touch down at Delmont, South Dakota Sunday, damaging at least 20 buildings, NBC affiliate KDLT News reported.
The tornado season in the US southern plains normally runs from May into early June, according to the National Oceanic and Atmospheric Administration.