Severe weather threat unfolds for several days across southern US – AccuWeather.com/en/
AccuWeather meteorologists say the threat of severe weather is increasing across the Southern states through the beginning of next week. Rounds of storms will blow east over the next few days along the stalled frontal boundary, setting the stage for a multi-day severe weather threat from Texas to the Carolinas.
Active storms move into Texas on Saturday, and will develop daily across the south-central and southeastern United States through Monday. The strongest storms that form will bring the risk of heavy rain, hail, damaging wind gusts and even isolated tornadoes.
Across central and eastern Texas, strong to severe thunderstorms will develop Saturday afternoon into Saturday evening. Forecasters warn that much of this area will face some risk of severe weather, while a section of west-central Texas, including part of Interstate 10, will face a moderate risk of strong storms.
Waves pumping moisture into the area will create a steady stream of rain for some that could ignite the risk of flooding. Storms could drop several inches of rain as rounds of heavy rain and thunderstorms roll across the South, raising river and stream levels and halting travel in the region.
Locations from northeast Texas into Kentucky, southwest Virginia and central Virginia could collect 1-2 inches of rain through Monday, while a wide corridor from the Texas-Louisiana border through the Smoky Mountains could get 2-4 inches of rain. AccuWeather Local StormMax™ precipitation is currently set at 10 inches.
Travelers along Interstates 10, 20, 35, 55 and 75 may experience slowdowns as thunderstorms move through the South. Even air travelers with destinations and departures across the Southeast could face delays or cancellations until early next week as an active weather pattern takes hold of the region.
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“Flights are likely to be delayed at airports like Atlanta Hartsfield-Jackson International Airport, the world’s busiest, as heavy rain and thunderstorms occur on Monday,” AccuWeather Meteorologist Alex Da Silva explained.
From Sunday into Sunday evening, the severe weather threat will shift eastward into Louisiana, Mississippi and Alabama. The main risks of hail, heavy rain and gusty winds will remain a concern as storms move into new areas.
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Cities like Houston. New Orleans; Jackson, Mississippi; Birmingham, Alabama, is expected to see rounds of strong to severe storms between Sunday night and Sunday night, as moist air from the Gulf collides with tracking energy off the southern Plains.
To start Sunday, there may be bands of persistent thunderstorms across eastern Texas into far southern Arkansas and Louisiana. Later in the day, a secondary round of storms could develop throughout the Mississippi Valley and Gulf Coast region.
Storms could pack sustained winds of 60-70 mph throughout the day and night hours on Sunday with an AccuWeather Local StormMax™ of 80 mph.
“The storm is expected to turn toward the southeast and become more organized by Monday, then it will begin to curve toward the northeast and make its way into the mid-Atlantic states on Monday evening,” DaSilva said.
Isolated isolated storms within severe thunderstorms will remain a risk through Monday as storms move across the Southeast and eventually reach the coast.
As a low pressure area advances across the Tennessee Valley and into the Northeast early next week, cold conditions along the northwest side of the storm will allow rain to turn to snow.
After several days of April-like temperatures and dry weather over the past week, the winter impacts expected to arrive in the Ohio Valley and Northeast could be a harsh return to reality. Temperatures are expected to return to normal values in mid-February before the storm arrives early next week.
The storm that preceded Valentine’s Day is expected to cover much of the Northeast with snow until Tuesday. Meanwhile, locations across the southcentral and southeastern regions will trade a windy weekend pattern for calmer, drier conditions as a high pressure area reaches the south early to mid-week.
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