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2023 Mid-Atlantic Severe Wx Thread (General Discussion)


Kmlwx
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Looks like all systems go for a derecho event to unfold today...though maybe would like to see a bit stronger llvl wind fields. Anyways, looks like llvl lapse rates will continue to strengthen over the next few hours with 2-6km lapse rates already on order of 7-7.5 C/KM and even some pockets of 8 C/KM. Those are pretty eye opening for a significant wind event, especially with DCAPE values up around 1000 J/KG and even some higher pockets around. A strong tornado is even possible in any discrete cell that doesn't have its updraft interfered with. 

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12z NAM bufkit profile for BWI is pretty wild. Obviously this doesn't mean anything will happen, but it shows what potential exists *should* thunderstorm updrafts be able to utilize these available ingredients. Looks like some VBV going on, but that combination of shear/CAPE is pretty scary. Hail CAPE nearly 900 J/KG. EQL too way up there.

image.thumb.png.aec4458085df116b11b42cf3487aca03.png

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