Mesoscale Discussion 2278
NWS Storm Prediction Center Norman OK
0603 PM CST Mon Nov 20 2023
Areas affected…much of central Mississippi
Concerning…Tornado Watch 712…
Valid 210003Z – 210130Z
The severe weather threat for Tornado Watch 712 continues.
SUMMARY…The risk for tornadoes appears highest over the next
couple hours over south-central Mississippi.
DISCUSSION…Large clusters of storms including supercells continue
to rapidly move east into central MS, with the strongest supercell
over southwest MS. This area has the most favorable environment for
a strong tornado, with dewpoints rising to near 70 F, and 0-1 SRH >
200 m2/s2. Indeed, surface winds ahead of this particular supercell
cluster remain backed with strong gusts, indicating increased
pressure falls and potential strengthening with these storms.
Gusting winds also indicate the boundary layer is favorably
unstable, which will allow supercells to utilize the full low-level
…Please see www.spc.noaa.gov for graphic product…
LAT…LON 31438870 31338887 31268922 31188991 31229120 31469133
31609109 31889061 32099029 32348996 32778974 32748916
32528885 32038860 31528860 31438870