Severe storms ramp up in the South Wednesday, threatening strong tornadoes and flash floods | CNN (2024)

Severe storms ramp up in the South Wednesday, threatening strong tornadoes and flash floods | CNN (1)

Progressive Missionary Baptist Church endured significant storm damage in Port Arthur, Texas, Wednesday morning.

Editor’s Note: For the latest coverage of the severe weather, read our live story here.

CNN

Severe storms are battering parts of the South with torrential rain and damaging winds, threatening tornadoes and creating “life-threatening” flooding.

Crews were responding to “10 to 15 high-water rescues” in the eastern Texas city of Kirbyville early Wednesday, the Jasper County Sheriff’s Office said, and flooding damage was reported in homes and businesses.

“All major roads coming into Kirbyville are shut down due to flooding,” the sheriff’s office said in aFacebook post.

A flash flood emergency was issued in Kirbyville after the Pin Oak Creek rose 10 feet in six hours overnight as heavy rain and thunderstorms pummeled the region, the National Weather Service said.

Severe storms ramp up in the South Wednesday, threatening strong tornadoes and flash floods | CNN (2)

Crew members for the Roganville Volunteer Fire Department are stuck in a ditch after performing a water rescue in Kirbyville, Texas, the fire department said on Facebook. According to the volunteer fire department, they got stuck in a ditch after rescuing a man from a car that was stuck in floodwaters Wednesday.

Up to 12 inches of rain has already fallen in the area and up to 3 more inches are possible, prompting the National Weather Service to expand the flash flood emergency to multiple nearby towns Wednesday morning.

Overall, more than 30 million people across the Southeast are under a severe storm threat Wednesday, while flood alerts are in effect for over 13 million people from Texas to Georgia amid heavy downpours, according to the Storm Prediction Center.

Hail the size of baseballs and softballs pummeled portions of Texas Tuesday as fierce winds gusted to 88 mph.

A potential tornado rolled through parts of Port Arthur, Texas, Wednesday morning and dealt considerable damage to several homes and a church, brought down tree limbs and knocked over street signs.

Storm damage in Port Arthur, Texas, Wednesday morning.

Another tornado was observed around 9:30 p.m. Tuesday in the city of Raymond, Mississippi, about 20 miles west of Jackson – and more tornadoes could be on the way Wednesday.

Additional severe thunderstorms were ongoing Wednesday morning with multiple tornado warnings along portions of the Gulf Coast but an even greater threat will ramp up during the late afternoon and evening hours.

“Widespread severe thunderstorms are forecast across parts of the central Gulf Coast States. The potential will exist for several tornadoes, a few of which may be strong (EF2+), and widespread damaging winds, some of which may be particularly damaging,” the prediction center warned early Wednesday.

A Level 4 of 5 severe weather threat stretches from eastern Louisiana to western Alabama and includes Baton Rouge, Louisiana. Meanwhile, there’s a level 3 of 5 severe threat from Louisiana to the Florida Panhandle, including New Orleans, Mobile, Alabama, and Panama City, Florida.

A Level 2 of 5, severe weather threat stretches from Louisiana to southwestern Georgia, including Birmingham, Alabama; Tallahassee, Florida; and Columbus, Georgia. The main threats are large hail, damaging wind gusts and a few tornadoes.

As storms swirl across the South, more than 200,000 homes and businesses in Louisiana, Texas and Mississippi were without power Wednesday morning, according to poweroutage.us, and more could soon be left in the dark.

Flash floods could make travel hazardous

Along with the severe storm threat, there remains a threat for very heavy rainfall Wednesday for much of the South, which could cause flash flooding and widespread hazardous travel conditions for residents.

Flash flood warnings were ongoing Wednesday morning across parts of eastern Texas, northern Louisiana, far western Mississippi and southeast Arkansas, where 3 to 6 inches of rainfall have fallen across much of the area.

Flood watches remain in effect until Wednesday evening from Texas to Georgia. At least 4 to 8 inches of additional rain could soak an area from Louisiana to southwestern Georgia and the Florida Panhandle.

Flash flooding is weather’sNo. 2 killer, claiming more lives than anything but heat. It can happen when storms roll over the same areas for hours, with intense rain fallingfaster than the soil can absorb.

States brace for damaging storms

Widespread closures have been announced and state officials have deployed resources to minimize impacts from Wednesday’s severe thunderstorms.

In Louisiana, at least 11 school districts are closed on Wednesday as storms sweep through the state, including Ascension Parish Public Schools, East Baton Rouge Parish schools and the St. Helena Parish school district. Classes at Southeastern Louisiana University are remote for Wednesday, theuniversity announced. About 47 miles to the west, Louisiana State Universityannouncedclasses will be held online Wednesday.

Leandro Lozada/AFP via Getty Images Related article Different types of flash flooding and what causes it

State offices and city buildings in Louisiana are closed as well on Wednesday, including New Orleans City Hall and the LouisianaSecretaryof State’s office. Officials in Shreveport also handed outsandbagsto residents in preparation for the weather.

“In light of recent weather forecasts indicating increased precipitation and potential flood risks in our area, the Mayor urges residents to take necessary precautions to protect their homes and properties,” the city of Shreveport said in anews release.

As for neighboring Mississippi, more than 100,000 sandbags have been handed out to residents. Gov. Tate Reeves encouraged residents to be aware of the incoming threat and to have emergency alerts on in preparation.

“Please be careful and cautious if you’re driving, and never drive through flood areas,” Reeves said in a Facebook post.

In Texas, Gov. Greg Abbott earlier this week directed the Texas Division of Emergency Management to provide resources to communities ahead of severe weather impacting the state. On Tuesday, the governorsaidhe asked officials to deploy additional resources in response to severe thunderstorms and potential flash floods.

“Texans are urged to monitor weather forecasts and heed guidance from emergency officials,” the governor said in a post on X.

CNN’s Caroll Alvarado, Sara Smart, Taylor Ward, Andy Rose contributed to this report.

Severe storms ramp up in the South Wednesday, threatening strong tornadoes and flash floods | CNN (2024)

FAQs

What type of severe weather is associated with high winds and flooding? ›

Severe thunderstorms generally last longer than ordinary thunderstorms and can produce very strong winds, flooding, hail, and/or tornadoes.

What is the name for the extreme thunderstorms that tornadoes occur in? ›

The most destructive tornadoes occur from supercells, which are rotating thunderstorms with a well-defined radar circulation called a mesocyclone. (Supercells can also produce damaging hail, severe non-tornadic winds, frequent lightning, and flash floods.)

Which type of severe thunderstorm causes tornadoes and large hail? ›

Most large and violent tornadoes come from supercells. A “bow echo” is a radar signature of a squall line that “bows out” as winds fall behind the line and circulations develop on either end. A strongly bowed echo may indicate high winds in the middle of the line, where the storms are moving forward most quickly.

What are strong storms that often cause flooding? ›

Most flash flooding is caused by slow-moving thunderstorms, thunderstorms repeatedly moving over the same area, or heavy rains from hurricanes and tropical storms.

What are the five warning signs that a tornado may occur? ›

Watch for tornado danger signs:
  • Dark, often greenish clouds/sky.
  • Wall Cloud - an isolated lowering of the base of the thunderstorm.
  • Debris cloud.
  • Large hail.
  • Funnel Cloud.
  • Roaring Noise.

What are considered severe storms? ›

A severe storm produces wind gusts of at least 58 mph, hail one inch or larger in diameter, and/or tornadic activity (NOAA https://www.weather.gov/bgm/severedefinitions). Flash flooding is also associated with severe storm threats.

Which state in the US has the most tornadoes? ›

States With Most Tornadoes

The ten states with the most tornadoes in the US are Texas, Mississippi, Kansas, Alabama, Louisiana, Illinois, Iowa, Georgia, Oklahoma, and Nebraska. Texas is the state with the most tornadoes with an average of 120 tornadoes each year.

What is the strongest tornado called? ›

The scale ranks tornadoes from F0 to F5, with F0 being the least intense and F5 being the most intense. F5 tornadoes were estimated to have had maximum winds between 261 mph (420 km/h) and 318 mph (512 km/h). F5 damage in Bridge Creek, Oklahoma, from the May 3, 1999, tornado.

What is the biggest tornado called? ›

This article lists various tornado records. The most "extreme" tornado in recorded history was the Tri-State tornado, which spread through parts of Missouri, Illinois, and Indiana on March 18, 1925. It is considered an F5 on the Fujita Scale, even though tornadoes were not ranked on any scale at the time.

Should you wash your hands or take a shower during a thunderstorm? ›

Avoid plumbing: Metal plumbing and the water inside are both very good conductors of electricity. Therefore, do not wash your hands or dishes, take a shower or bath, do laundry, etc. during a thunderstorm.

When was the worst thunderstorm in history? ›

Flexi Says: The largest observed thunderstorm as measured by voltage occurred in India on December 1, 2014. Sunil Gupta, a scientist at the Tata Institute of Fundamental Research in Mumbai, and his colleagues used a muon telescope to measure the electric potential of this thunderstorm at 1.3 billion volts!

What kills more people each year, thunderstorms or tornadoes? ›

Under the right conditions, rainfall from thunderstorms causes flash flooding, killing more people each year than hurricanes, tornadoes or lightning. Lightning is responsible for many fires around the world each year, and causes fatalities.

What is the highest storm surge ever recorded? ›

Globally, the highest storm surge ever is reported in northern Australia in 1899 during a cyclone. Although the exact height is still uncertain, it is reported to have been in excess of 40 feet. For details, see World Storm Surge Records .

What is the most damaging type of flood? ›

Flash floods are the most dangerous kind of floods, because they combine the destructive power of a flood with incredible speed. Flash floods occur when heavy rainfall exceeds the ability of the ground to absorb it.

What is the largest flood in history? ›

Mississippi River – 1927: The most devastating river flood in U.S. history occurred during April and May of 1927 when the Mississippi River flooded 16 million acres of land across Arkansas, Illinois, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee, and Texas.

Is wind associated with flooding? ›

Storm surge is water that is pushed toward the shore by winds swirling around the storm, and historically has caused the largest loss of life in hurricanes. This rise in water level can cause severe flooding in coastal areas, which can submerge entire areas, cause structural damage to buildings, and wash out roads.

What are the four types of severe weather? ›

Severe Weather 101
  • Thunderstorms. There can be as many as 40,000 thunderstorms each day around the world. ...
  • Tornadoes. Much about tornadoes remains a mystery. ...
  • Floods. Except for heat-related fatalities, more deaths occur from flooding than any other weather-related hazard. ...
  • Lightning. ...
  • Hail. ...
  • Damaging Winds. ...
  • Winter Weather.

What type of hazard is high wind speed? ›

High winds can cause downed trees and power lines, flying debris and building collapses, which may lead to power outages, transportation disruptions, damage to buildings and vehicles, and injury or death. In advance of any storm, be sure your property is secure.

What natural disaster has high winds? ›

Cyclones/Hurricanes

Tropical cyclones in the North Atlantic, the North east Pacific east of the International Date Line or the South Pacific with sustained winds >74 mph are termed hurricanes.

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