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Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0345 AM CDT Sun Aug 21 2022

Valid 241200Z - 291200Z

...DISCUSSION...
The upper pattern on D4/Wednesday and D5/Thursday is forecast to
feature eastern CONUS troughing and subtropical ridging over the
central/southern Plains and Southwest. A shortwave trough is
expected to eject eastward from the Pacific Northwest across the
northern Rockies/northern High Plains on D6/Friday, and northern
Plains/Upper MS Valley on D7/Saturday. Progression of this system
will help dampen the persist subtropical ridging, with broad
troughing likely in place across the CONUS by early D8/Sunday. 

Thunderstorms are possible ahead of this shortwave across the
northern High Plains on D6/Friday and the Upper MS Valley on
D7/Saturday. Current guidance suggest mid-level flow will be
limited, tempering the severe potential. Additionally, variability
within the guidance on the timing and strength of the shortwave
limits predictability at this forecast range. Even so, this signal
merits watching within the next few cycles of the guidance for some
severe potential.