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Mesoscale Discussion 1672
NWS Storm Prediction Center Norman OK
0323 PM CDT Thu Aug 11 2022

Areas affected...northeast Oregon...parts of central Idaho

Concerning...Severe potential...Watch unlikely 

Valid 112023Z - 112300Z

Probability of Watch Issuance...20 percent

SUMMARY...Scattered storms are expected to form over the next
several hours, from eastern Oregon into parts of Idaho, and a few
may produce severe hail.

DISCUSSION...c*nditions continue to destabilize with heating, as
dewpoints hold mainly in the 50s F and GPS PWAT values exceed 1.00".
Convection is already increasing over the high terrain of northeast
OR, central ID, and Owyhee County ID. Other diurnal storms may form
later this afternoon within the surface trough across a good part of
eastern OR as the airmass is uncapped and heating continues.

Relatively cool midlevel temperatures exist, which will aid updraft
acceleration and hail potential. In addition, overall wind profiles
will favor cellular activity, perhaps a supercell or two with
midlevel rotation enhancing hail potential. Increasing speed shear
with height will also favor hail, as hodographs will generally be
long and straight. A storm or two may also produce locally strong
wind gusts.

..Jewell.. 08/11/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...PIH...MSO...BOI...OTX...PDT...

LAT...LON   45581825 47041756 47621699 47741623 47401524 46891470
            46101440 45491437 44571450 43881493 43411528 42461570
            42111623 42191689 42451735 42891762 43841766 44731808
            45251834 45581825