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Some strong/severe storms are likely for south Texas this afternoon and tonight.
Then, tomorrow, a few strong/severe storms will be possible farther east, across parts of Louisiana, Mississippi, Alabama and the Florida Panhandle.
This Afternoon and Tonight
The combination of a sagging frontal boundary and left over surface boundaries from previous storms this morning/early this afternoon will allow for new activity to develop by ~ 2 or 3 PM. Overnight, activity will shift east.
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Multiple clusters could evolve. And with effective shear values generally around 40 – 50 kts, a few supercells can’t be ruled out.
With at least moderate instability expected, there will be a severe risk. The Storm Prediction Center (SPC) has hatched a level 2 (slight) risk for severe weather (see figure 2).
Hail and damaging wind gusts will be the primary threats. However, a couple of tornadoes can’t be ruled out.
Tomorrow
Widespread strong storms will likely be ongoing across portions of east Texas and Louisiana tomorrow morning.
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This activity will shift into Mississippi and southeast Louisiana between ~ 2 – 4 PM. Storms will then push into Alabama and the western Florida Panhandle between~ 4 – 8 PM.
Daytime heating could also fuel more convective activity ahead of the main mass of rain/thunderstorms. A few line segments/clusters could also occur.
Instability and shear will once again be sufficient to support a few strong/severe storms. However, the threat should decrease by the evening hours with diurnal stabilization.
The SPC has once again highlighted a standard level 2 (slight) risk area (see figure 3).
The main threats will continue to be damaging/strong wind gusts and hail. A brief, isolated tornado or two is also within the realm of possibility.