Tornadoes kill at least three children as massive storm sweeps U.S

A crew member moves signage during a weather delay for practices and qualifying for the Grand Prix of the Americas motorcycle race at the Circuit Of The Americas Saturday

A vehicle drives through a flooded section of Muskingum Avenue on Saturday April,13 2019 in Odessa Texas

Monroe County will also have a curfew from 8 p.m. Sunday to 6 a.m. Monday. Mobile homes will be damaged or destroyed.

Deaths were reported across Mississippi, Texas and Louisiana.

The National Weather Service rated the tornado EF-3 with winds of about 140 miles per hour (225 kph). The children, ages 3 and 8, were killed when a tree fell on a auto Saturday.

The Storm Prediction Center has placed most of the state, including central Maryland, under an enhanced risk for severe storms.

One person was killed in northeastern MS when a tree crashed onto his trailer, Monroe County Road Manager Sonny Clay said at a news conference, adding that a tornado had struck.

A microburst "is a localized area of strong straight line winds that descends from a thunderstorm and is less than 2.5 miles in diameter", the weather service said.

Strong storms, including at least one tornado, swept through parts of the Midwest and the Mid-Atlantic region, damaging homes and businesses and causing injuries after storms in the South killed at least eight people. As a result, the National Weather Service has issued a wind advisory for all 21 counties in New Jersey, as well as for New York City. Know where to go in your home if you are included in a Tornado Warning and make sure you have a way of receiving those very important weather warnings, either by cell phone or weather radio.

The roof of a hotel in New Albany, Mississippi, was damaged, although the cause was unclear. No injuries were reported, and news footage showed shattered windows and rooftop debris.

In Pollok, Texas - about 150 miles (240km) southeast from Dallas - two children were killed when their family auto was hit by a falling pine tree.

The Alto Police Department also confirmed a woman who was injured last night at Caddo Mounds has died.

In Alabama, the Jefferson County Sheriff's Office reported that a county worker had died in a hospital after being hit by a vehicle near Hueytown.

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