The southern United States is again under threat from storms and tornadoes

(CNN) — The southern United States is again under threat from severe weather this week, with tornadoes, damaging winds and possible hail from Louisiana to North Carolina on Tuesday.

In fact, a tornado watch is in effect until 6 a.m. CT in northeast Texas, southwest Arkansas and northwest Louisiana, the United States Forecast Center said. National Weather Service storms.

This Tuesday, bad weather continues to threaten parts of the southern United States.

Severe storms sweeping through the area can produce tornadoes, wind gusts of up to 120 kilometers per hour and golf ball-sized hail, forecasters said. More than five million people are in the surveillance area, including the cities of Dallas, Texarkana, which straddles the Texas-Arkansas border, and Shreveport, Louisiana.

Flash flood watches were also issued for the Dallas area overnight, where 2 to 2 inches of rain had already fallen and another 2 inches was possible.

“Be especially careful at night, when it’s harder to recognize flood hazards,” the NWS office in Fort Worth said.

Four people were rescued from rapid floodwaters in McKinney, Texas, about 30 miles north of Dallas on Monday night, officials said. The McKinney Fire Department said on Twitter that it performed three separate water rescues. No one was hurt.

The severe weather line is the latest in a series of storms that have battered the southern United States for three consecutive weeks.

The first spawned a deadly EF-3 tornado just outside New Orleans and 25 tornadoes in Texas last month.

Bill Bunting of the Storm Prediction Center told CNN that weather systems can repeat themselves.

“There’s a pretty chaotic component to the atmosphere, but every once in a while it goes into patterns where we see this repeatability. We’ve seen that in every season,” Bunting said. “Unfortunately, for the past month, and certainly for the next week, the threat of severe weather will re-emerge, in many of the same areas that have already seen enough severe weather in the past four weeks alone.”

“Very humid air from the Gulf of Mexico, which has contributed to storm development over the past few weeks, is what we will see again this week,” Bunting said.

When to expect the worst conditions

The storm will bring a wave of extreme conditions to different parts of the south throughout Tuesday, CNN meteorologist Robert Shackelford said. Tornadoes, damaging winds and hail are the main threats.

Here is the expected schedule with the worst weather conditions:

In Jackson, Mississippi, severe thunderstorms will begin around 5 a.m. and continue until about 10:30 a.m.

Cities from Nashville to Montgomery, Alabama will see severe thunderstorms around 8 a.m. and last until about 1:30 p.m.

In Atlanta, the threat of severe conditions will increase around 1:30 p.m. and last until 5:00 p.m.

A wide swath of comma-shaped cities from Charlotte and Wilmington, North Carolina, to Columbia and Charleston, South Carolina, and looping around Savannah, Georgia, and Panama City, Florida, are expected to know the worst conditions from 6 p.m. to 10 p.m.

By Wednesday, a separate system will form, bringing another round of storms south and extending the severe threat for another day.

“A second system develops after the first as an upper trough deepens sharply and dips across the Central Plains and eventually the Deep South,” the NWS Atlanta office said.

For this Thursday, the threat decreases, since the storms move away from the east coast. Storms will move south, but rain will continue over much of the East Coast.

Everywhere from Florida to New England there will be showers, so Wednesday and Thursday we may see travel delays from some major airports as this system evolves.

CNN’s Jennifer Gray, Gene Norman and Chris Boyette contributed to this report.

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