USA Weather — Severe Weather Division
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTROMS ACROSS THE LOWER/MID MS VALLEY AND OH/TN VALLEYS ON WEDNESDAY...
...LOWER/MID MS VALLEY INTO THE OH/TN VALLEYS...
A COLD FRONT IS EXPECTED TO MOVE INTO THE REGION ON WEDNESDAY AFTERNOON. ALONG WITH THIS, A LARGE SCALE UPPER TROUGH WILL SHIFT EAST AND WILL ORIENT INTO THE GREAT LAKES INTO THE GULF COAST BY THURSDAY. MODEL GUIDANCE SUGGESTS THAT STRONG DEEP LAYER SHEAR IS EXPECTGED TO DEVELOP ALONG AND INVOF A MODEST WARM SECTOR ACROSS THE REGION.
THERE IS SOME UNCERTAINTY REGARDING ACTIVITY WITH REGARDS TO WEDNESDAY MORNING ACTIVITY ACROSS THE REGION AND THE ABILITY TO DESTABILIZE DURING THE AFTERNOON AS THE FRONTAL BOUNDARY MOVES IN. IT APPEARS THAT A FEW SUPERCELLS WILL BE POSSIBLE AHEAD OF THE FRONTAL BOUNDARY, BUT A LINEAR MODE WILL BE FAVORED ALONG THE COLD FRONT. THIS WOULD ALLOW FOR ALL MODES OF SEVERE WEATHER, INCLUDING HAIL, WINDS, AND TORNADOES. WHILE THERE IS SOME UNCERTAINITY REGARDING THIS, A SLIGHT RISK HAS BEEN INTRODUCED FOR THE SEVERE WEATHER POTENTIAL.