Corridor in Southwestern Parts of the Area Favorable for Strong Tornado Development

| March 17, 2021 @ 2:27 pm

SUMMARY…
A corridor more favorable for the development of strong tornadoes may be evolving across central AL.

DISCUSSION…
Radar imagery from BMX, GWX, and MOB continues to show a cluster of supercells over west-central AL. The downstream air mass is characterized by temperatures in the low/mid 70s and dewpoints in the upper 60s. As noted in the recent BMX sounding, this air mass is less buoyant than farther west (along the central MS/AL border) where this cluster initially developed. However, in contrast to the slightly less favorable thermodynamics, surface winds here are more southeasterly, veering to southerly in the low-levels, and then southwesterly farther aloft. This is resulting in considerable low-level vertical shear. Recent VAD profile from BMX sampled 350+ m2/s2 of 0-1 km storm-relative helicity. Given the already organized character of these storms, potential exists for the development of strong tornadoes if a more discrete nature can be maintained.

Category: Alabama's Weather, ALL POSTS, Severe Weather

About the Author ()

Scott Martin is an operational meteorologist, professional graphic artist, musician, husband, and father. Not only is Scott a member of the National Weather Association, but he is also the Central Alabama Chapter of the NWA president. Scott is also the co-founder of Racecast Weather, which provides forecasts for many racing series across the USA. He also supplies forecasts for the BassMaster Elite Series events including the BassMaster Classic.

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