Subj : MESO: Mesoscale Discussion 0556
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Apr 19 2023 01:27:00

ACUS11 KWNS 190126
SWOMCD
SPC MCD 190126=20
SDZ000-190230-

Mesoscale Discussion 0556
NWS Storm Prediction Center Norman OK
0826 PM CDT Tue Apr 18 2023

Areas affected...portions of western into central South Dakota

Concerning...Severe potential...Watch unlikely=20

Valid 190126Z - 190230Z

Probability of Watch Issuance...5 percent

SUMMARY...An isolated severe gust remains possible over the next
couple of hours in association with high-based storms. A WW issuance
is not expected.

DISCUSSION...A loosely organized band of high-based, low-topped
storms continues to progress across western SD with a history of
strong to occasionally severe gusts. Diurnal cooling is underway,
which should limit the overall severe threat through deepening
static stability. Nonetheless, 01Z mesoanalysis shows a corridor of
7-7.5 C/km 0-3 km lapse rates ahead of the ongoing storms. As such,
an instance or two of severe wind gusts remains possible over the
next couple of hours. Given the short-lived, localized nature of the
severe threat, a WW issuance is not expected.

...Squitieri.. 04/19/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_MFKcyd0_SeS6-jVRKb4dCjPidzTWMhnk7I040D92gk1UuJyqGEGwb67_8nEAN_8x-H8ddDcV=
DOOs23A88Ce_xZ1H50$  for graphic product...

ATTN...WFO...ABR...UNR...

LAT...LON   43140338 43760366 44240342 44610263 44820143 44710086
            44400042 43980033 43560060 43320129 43070234 43140338=20


=3D =3D =3D
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