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Severe WX Severe Risk 2/23-2/24

warneagle

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New MD cites exactly the concern that Andy mentioned upthread w/r/t the increasing 700mb flow:

The severe weather threat for Tornado Watch 5 continues.

SUMMARY...A relative weakness in low-level shear has limited
potential for storm-scale rotation up until now. Low-level shear
and hodograph enlargement is forecast for the remainder of the
afternoon into the early evening. A corresponding increase in
severe risk is expected.

DISCUSSION...KDGX VAD data through the early afternoon has exhibited
relatively modest low-level shear (0-1 km SRH less than 150 m2/s2).
Coupled with some weakness in the mid-level lapse rate above 500mb,
the two factors have combined to limit storm organization in the low
levels and the severe risk through 200-230 pm CST. However, a
gradual increase in 700mb flow is expected through 6 pm and
low-level storm rotation potential is expected to increase
coincident with the hodograph enlarging and not exhibiting the
degree of veer-back-veer tendency shown in earlier raobs. As such,
gradual storm intensification and increase in the severe risk with
an accompanying threat for tornadoes is expected.
 

warneagle

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The severe t'storm warning for the Tuscaloosa storm does mention that it could produce a tornado
 

amanda90

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Surprised James Spann isn't live at least on social media. That thing just looks nasty, even if it's "only" a severe thunderstorm.
 

Equus

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Slowly increasing structure and now thunder on the storm north of the TCL cell, going to pass right overhead in a few minutes
 

NorthBamaWX

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NWS has issued a Tornado Watch for Colbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone, Madison, Marshall, Morgan, Lincoln & Moore Counties until 10:00 PM
 
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