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Mesoscale Discussion 1750
NWS Storm Prediction Center Norman OK
0336 PM CDT Tue Jul 30 2024

Areas affected...southeast IA...northeast MO...and west-central IL

Concerning...Severe Thunderstorm Watch 568...

Valid 302036Z - 302200Z

The severe weather threat for Severe Thunderstorm Watch 568
continues.

SUMMARY...Isolated cells may produce sporadic large hail to around
1.5 inches in diameter over the next couple of hours. Local
extensions of WW 568 are possible.

DISCUSSION...A band of supercells has persisted across southeast IA
in a modest warm advection regime atop a capped boundary-layer.
Moderate instability exists downstream, along with favorable
vertical shear. However, multiple rounds of convection have impacted
parts of the area in the past 12 hours. This will likely preclude
upscale development, though some hail and gusty wind risk may linger
for a couple more hours. WW 568 is set to expire at 21z, though
local watch extensions are possible.

..Leitman.. 07/30/2024

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

ATTN...WFO...ILX...LSX...DVN...DMX...EAX...

LAT...LON   41449288 41049150 40479066 39809060 39679112 39709193
            39989228 40839277 41269311 41449288