Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1244 AM CDT Mon Apr 29 2024
Valid 291200Z - 301200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PARTS OF
SOUTH TEXAS INTO THE LOWER MISSISSIPPI VALLEY...
...SUMMARY...
Marginally severe wind gusts and hail will be possible today from
parts of south Texas northeastward into the lower Mississippi
Valley.
...South Texas/Lower Mississippi Valley...
At the start of the period, a linear MCS will be ongoing from the
southeast Texas Coast northeastward into the lower Mississippi
Valley. The strongest part of the MCS is expected to be in southern
Louisiana during the first three hours of the period, from 12Z to
15Z. The wind-damage threat is expected to remain isolated as it
moves southeastward across the Louisiana Coast this morning. A
marginal wind-damage threat is also expected further northeast into
south-central Mississippi from this morning into early afternoon.
However, instability should remain very weak, limiting the severe
threat potential.
Further southwest into south Texas, a moist and unstable airmass
will be in place from the Rio Grande River eastward to the middle
Texas Coast. Along the northern edge of this moist airmass, isolated
storms may develop this afternoon. Moderate deep-layer shear should
be enough to support a marginal severe threat. However, any threat
should be very isolated.
..Broyles/Thornton.. 04/29/2024
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