ACUS11 KWNS 220154
SWOMCD
SPC MCD 220153=20
SDZ000-NDZ000-MTZ000-WYZ000-220400-

Mesoscale Discussion 1971
NWS Storm Prediction Center Norman OK
0853 PM CDT Wed Aug 21 2024

Areas affected...eastern Montana southeastward to central South
Dakota...and into western North Dakota

Concerning...Severe Thunderstorm Watch 642...643...

Valid 220153Z - 220400Z

The severe weather threat for Severe Thunderstorm Watch 642, 643
continues.

SUMMARY...Severe risk -- including potential for large hail and
damaging gusts -- continues across the northern High Plains
vicinity.

DISCUSSION...Latest radar composite loop across the northern High
Plains region shows clusters of strong/severe storms moving
east-northeastward, within a favorably unstable/sheared environment.
While hail and damaging gusts are possible with any of the stronger
storms, convection appears to be evolving into a semi-organized band
across northeastern Montana. This cluster bears watching, as
continued organization/intensification could result in the storms
becoming sufficiently long-lived to bring risk for severe weather
east of WW 643 into western North Dakota over the next couple of
hours. This could require downstream WW consideration.

..Goss.. 08/22/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-HaLkwfPB6T4DIRrKeGy61LjxVbq8eVAoFXkXU8knQPajFvtVouTEcIiG5dmFhpHV2nuEJT2G= nlamzoDa3xyWIBBRbQ$ for graphic product...

ATTN...WFO...ABR...BIS...UNR...BYZ...GGW...TFX...

LAT...LON 48970909 48990278 47380222 44230058 43580099 44070251
44930360 44920473 45280638 46420731 47540940 48970909=20


=3D =3D =3D
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