Subj : MESO: Mesoscale Discussion 1662
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jul 21 2023 12:33:01

ACUS11 KWNS 211232
SWOMCD
SPC MCD 211232=20
ARZ000-MOZ000-OKZ000-KSZ000-211400-

Mesoscale Discussion 1662
NWS Storm Prediction Center Norman OK
0732 AM CDT Fri Jul 21 2023

Areas affected...Far Southeast KS...Northeast OK...Extreme Southwest
MO...Far Northwest AR

Concerning...Severe Thunderstorm Watch 533...

Valid 211232Z - 211400Z

The severe weather threat for Severe Thunderstorm Watch 533
continues.

SUMMARY...Ongoing convective line, which is capable of producing
damaging gusts, is expected to continue progressing eastward for at
least the next two hours, with some additional development possible
along its southern flank.

DISCUSSION...A well-defined mesoscale convective vortex, generated
by last night's convective system, is centered just northeast of PNC
in north-central OK. Outflow associated with this vortex arcs from
near IDP in far southeast KS to near TQH in northeast OK and then
back southwestward through central OK into northwest TX. Strong
thunderstorms are still ongoing along the northern portion of this
outflow (from far southeast KS through northeast OK), where gusts
from 35 to 40 kt have been reported over the past hour.=20

Updraft strength, as determined by echo tops and 9 km CAPPI data,
has remained fairly consistent through the line. A localized
intensification occurred within the line just north to TQH, where
the line intersected some preceding development. Overall expectation
is for the line to continue eastward over the next two hours, with
the potential for some additional development along its southern
flank near the stalled frontal boundary. Damaging wind gusts will
remain possible.

...Mosier.. 07/21/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!7iV6m_OqpGIVr4gbzEmSYRdcxa3Vn1fFqElBFssegec0FPCvjoiHPaQB1lp0r8t33IhLknDed=
08u7O54e67tewjon6g$  for graphic product...

ATTN...WFO...SGF...TSA...ICT...

LAT...LON   36859572 37109608 37479599 37279502 36879453 35909390
            35389388 35179469 35529539 36259535 36859572=20


=3D =3D =3D
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