Mesoscale Discussion 1401
NWS Storm Prediction Center Norman OK
1109 PM CDT Fri Jul 30 2021
Areas affected...Southeast Nebraska...Northern Missouri
Concerning...Severe Thunderstorm Watch 405...
Valid 310409Z - 310545Z
The severe weather threat for Severe Thunderstorm Watch 405
SUMMARY...Isolated hail/wind threat will continue to sag south
DISCUSSION...Loosely organized squall line has formed along the
IA/MO border. Low-level warm advection appears to be aiding this
activity as it propagates south-southeast at roughly 25kt. Ample
buoyancy and a focused, but veered, LLJ suggest this activity will
continue for several more hours. Primary threats remain gusty winds
and marginally severe hail.
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