Strong to severe storms remain possible across the Western and Central Gulf Coast tonight.
Setup: A cold front, currently positioned over Northern and Western Texas, will sweep east across the Western and Central Gulf Coast Regions late this evening through tomorrow morning. And as it does so, it will draw Gulf moisture north.
The moisture will allow a large band of storms/squall line to develop across Southeast Texas and Western Louisiana ahead of the front later this evening.
Severe potential: Both CAPE (instability) and shear will support the potential for some severe weather in association with the squall line, with the primary threats being damaging straight line winds and isolated tornadoes.
Placement: The greatest threat for severe weather will be in the “enhanced” risk area across extreme Northern Mississippi, and in the “slight” risk area across Northeast Louisiana, much of North/Central Mississippi, and extreme Northwestern Alabama. However, severe weather will also be possible in the “marginal” risk area across extreme Southeast Texas, Western and Central Louisiana, Central and Southwestern Mississippi, and Northwest Alabama.
Timing: The band of storms will move across extreme Southeast Texas and Western Louisiana between 9:00pm and 1:00am CST tonight; across Eastern Louisiana, Western/Central Mississippi, and Northwest Alabama between 1:00am and 5:00am.
The line will then dissipate early tomorrow morning, just before reaching Southeast Louisiana and Mississippi, Southern Alabama, and the Western Florida Panhandle.
More rain tomorrow afternoon/evening: However, another round of rain and storms will develop across Southeast Louisiana, Southern Mississippi, Southern Alabama, and the Western Florida Panhandle tomorrow afternoon and evening. Although, severe weather is not anticipated.
Arctic front: Temperatures are still expected to drop rapidly behind the front tonight and tomorrow.
Low temperatures tomorrow night will range from the upper 20s to low 40s across the Gulf Coast Region, with high temperatures in the 40s and 50s on Monday.
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