SPC Mesoscale Discussion: Tornado Watch 83…
SUMMARY…Threat for damaging wind and a brief tornado is expected to persist over southeast MS through about 03Z or 04Z. WW 83 is scheduled to expire at 02Z, but may be locally extended in time as needed.
DISCUSSION…This evening a line of storms has increased over southeast MS in wake of earlier storms. This increase appears to be in response to low-level destabilization associated with 50 kt southerly low-level jet as indicated on recent Slidell VWP. A warm front demarcating the leading edge of richer moisture with low 70s F dewpoints is advancing north. Storms remain embedded within 50 kt effective shear and this will support some organized structures. A shortwave trough indicated on WV imagery ejecting northeast toward western TN should provide the impetus for a cold front to advance east into southeast MS by 03-04Z which should end the severe threat by that time.
Category: ALL POSTS, MescoScale Discussions
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