SHEAR WILL BE STRONG ACROSS THE ENTIRE REGION, AS 90-110 KT OF
700-500-MB LAYER FLOW DEVELOP AHEAD OF THE EJECTING SHORTWAVE TROUGH
OVER THE MID-SOUTH, ALONG WITH A BROAD, 60-85-KT LLJ. FORECAST
SOUNDINGS REASONABLY DEPICT 50-70 KT EFFECTIVE-SHEAR MAGNITUDES,
ALONG WITH LARGE, WELL-CURVED HODOGRAPHS FOSTERING 300-600 J/KG
EFFECTIVE SRH (LOCALLY HIGHER). THIS WILL SUPPORT LINE-EMBEDDED
TORNADIC SUPERCELLS AND LEWP/MESOVORTEX FEATURES, AS WELL AS BOWING
SEGMENTS TO LOCALLY MAXIMIZE DESTRUCTIVE-WIND POTENTIAL. ANY
PRECEDING, SUSTAINED SUPERCELLS THAT DO DEVELOP WOULD BE FAST-MOVING
(AROUND 50 KT BASED ON THE BUNKERS ALGORITHM), WITH POTENTIAL FOR
LONG TORNADO TRACKS IF STORM-SCALE OCCLUSIONS ARE NOT VERY RAPID.
DOWNWARD MOMENTUM TRANSFER FROM LAYERS OF INTENSE GRADIENT FLOW IN
LOW/MIDDLE-LEVELS ALSO MY AUGMENT THE SEVERE-DOWNDRAFT THREAT, WITH
BURSTS OF HURRICANE-FORCE GUSTS POSSIBLE.