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Mesoscale Discussion 847 |
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Mesoscale Discussion 0847
NWS Storm Prediction Center Norman OK
1038 PM CDT Sun May 19 2024
Areas affected...parts of western into central Missouri
Concerning...Severe Thunderstorm Watch 262...
Valid 200338Z - 200545Z
The severe weather threat for Severe Thunderstorm Watch 262
continues.
SUMMARY...An organized cluster of thunderstorms may slowly begin to
weaken, but probably will continue to pose a risk for strong to
severe gusts across parts of the Kansas City metro and Missouri Lake
of the Ozarks, into the Columbia and Jefferson City vicinities,
through Midnight-1 AM CDT. It is not certain that a new severe
weather watch will be needed, but WW 262 could be locally extended
into parts of central Missouri.
DISCUSSION...A couple of lower/mid-tropospheric vortices have
consolidated into one larger mesoscale convective circulation now
passing near/south of the Topeka KS vicinity. This feature remains
well-defined, with a strong convectively generated surface cold pool
(including 6-8 mb 2 hourly rises at 03Z) advancing across the
Emporia and Chanute vicinities of east-central/southeastern Kansas.
This feature may have reached peak intensity, but the apex of the
evolving bow echo in radar reflectivities (and associated surface
gust front) is still advancing eastward around 45-50 kt. At this
continued motion, it would spread across the Missouri Lake of the
Ozarks area into Columbia and Jefferson City vicinities through
05-06Z. As it does, less unstable easterly low-level inflow may
begin to weaken convection, but the risk for strong to severe gusts
may be a bit slower to diminish.
..Kerr.. 05/20/2024
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...LSX...SGF...EAX...ICT...
LAT...LON 38999474 39219374 38749251 37939288 37339415 37239543
38139463 38999474
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