ACUS11 KWNS 200231
SWOMCD
SPC MCD 200231=20
MTZ000-200400-
Mesoscale Discussion 1962
NWS Storm Prediction Center Norman OK
0931 PM CDT Mon Aug 19 2024
Areas affected...north-central Montana
Concerning...Severe Thunderstorm Watch 640...
Valid 200231Z - 200400Z
The severe weather threat for Severe Thunderstorm Watch 640
continues.
SUMMARY...Risk for locally damaging wind gusts continues across
parts of north-central Montana, in/near WW 640.
DISCUSSION...Latest radar loop shows that as storms have descended
from higher elevations into a more moist/unstable airmass, intensification/organization of the storms into a loose banded
structure has occurred. The convection is moving northeastward at
around 40 kt, and has produced wind gusts in the 50 to 60 MPH range
over the past hour, along with small hail. Expect risk for damaging
wind gusts to continue locally over the next hour or so, before
storms weaken -- and begin moving across the international border.=20
This should correspond well to the currently scheduled 20/04Z
expiration time set for WW 640.
..Goss.. 08/20/2024
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6nDOrcKZTz5HrC08xI21vBpScEGxCI35rUZgkTZAYSAf4VuHoq34fmQNRqpS8513xcKQWlcgv= KuLgywxz4NvYnra8qk$ for graphic product...
ATTN...WFO...BYZ...GGW...TFX...
LAT...LON 47961130 48241110 48841063 48920826 47100859 46680943
47091000 47631058 47961130=20
=3D =3D =3D
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