Mesoscale Discussion 1936
NWS Storm Prediction Center Norman OK
0346 PM CST Wed Nov 10 2021
Areas affected...northwestern Missouri and south-central Iowa
Concerning...Severe Thunderstorm Watch 546...
Valid 102146Z - 102345Z
The severe weather threat for Severe Thunderstorm Watch 546
SUMMARY...Strong wind gusts remain possible this afternoon, but a
downstream Watch is not currently anticipated.
DISCUSSION...A line of storms that was previously surface-based and
producing locally strong to damaging wind gusts continues advancing northeastward at over 40 knots into a less favorable environment
where lower/middle 50s dewpoints are resulting in only weak
instability (MLCAPE less than 500 J/kg). While somewhat favorable
deep-layer shear of 30 to 40 knots continues to support modest
organization of the line and the potential for strong/damaging wind
gusts, the increasingly stable boundary-layer conditions should
continue to limit the severe threat with northeastward extent.
Therefore, a downstream Watch is not currently anticipated.
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