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SPC MD 757

SPC MD 757

[html]MD 0757 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR SOUTH-CENTRAL MO...NORTH-CENTRAL AR
       
MD 0757 Image


Mesoscale Discussion 0757
NWS Storm Prediction Center Norman OK
0239 PM CDT Sat May 14 2022

Areas affected...South-Central MO...North-Central AR

Concerning...Severe potential...Watch unlikely

Valid 141939Z - 142215Z

Probability of Watch Issuance...5 percent

SUMMARY...A strong downburst or two is possible over portions of
south-central MO and north-central AR this afternoon.

DISCUSSION...Sporadic lightning flashes have been noted within the
area of deeper cumulus over central MO/AR border vicinity. Modest
low-level moisture convergence over the region will likely result in
continued convective attempts and eventually a few deeper, more
persistent updrafts. The overall environment is characterized by
weak shear and moderate buoyancy, with a predominantly multicellular
storm mode anticipated. Even so, steep low-level lapse rates will
likely support a strong downburst or two. Additional development is
possible on any storm outflow, with discrete propagation into more
of north-central AR possible. Limited severe coverage will preclude
the need for a watch.

..Mosier/Grams.. 05/14/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...LZK...SGF...TSA...

LAT...LON   35729349 36579362 36969347 37439255 37159172 36189108
            35259147 35159287 35729349


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Source: SPC MD 757 (http://ht**://www.spc.noaa.gov/products/md/md0757.html)