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Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0752 PM CDT Sun Jun 19 2022

Valid 200100Z - 201200Z

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FAR SOUTHEAST
MONTANA...FAR NORTHWEST SOUTH DAKOTA...PARTS OF WESTERN/CENTRAL
NORTH DAKOTA...

...SUMMARY...
A supercell or two may produce large to very large hail and damaging
wind gusts this evening from far southeast Montana, adjacent
northwest South Dakota, and into parts of western/central North
Dakota.

...Synopsis...
An upper-level trough within the northern Rockies and the northern
Great Basin will continue slowly eastward this evening before
beginning to pivot northeastward and accelerate by early Monday
morning. This trough will continue to promote continued
strong/severe storms in parts of the western Dakotas this evening.
Elsewhere, a few diurnally driven storms will persist for a few more
hours within the higher terrain and within the northern Plains.

...Southeast Montana into the Dakotas...
A lone supercell storm continues in southeast Montana and will
eventually move into northwest South Dakota and southwest North
Dakota. This storm will be capable of large to perhaps very large
hail as well as damaging winds. Continued modest forcing from the
trough to the west and convergence along the surface boundary in the
western Dakotas may allow another storm or two to develop this
evening. Other convection within a surface trough in central South
Dakota will continue to move into an area of strong buoyancy for
another couple of hours and may impact parts of south-central North
Dakota.

..Wendt.. 06/20/2022