Mesoscale Discussion 1894
NWS Storm Prediction Center Norman OK
0623 PM CDT Sun Oct 24 2021
Areas affected...Eastern OK...Northwest/West-Central AR...Far
Concerning...Tornado Watch 532...
Valid 242323Z - 250100Z
The severe weather threat for Tornado Watch 532 continues.
SUMMARY...Threat for severe thunderstorms capable of all severe
hazards continues, particularly across northeast OK and northwest
DISCUSSION...Regional radar imagery shows a broken line of
thunderstorms extending from far southwest MO southwestward across
eastern OK into north-central TX. Most updrafts have struggled to
maintain strength thus far, but an overall strengthening/organizing
trend is expected to begin as the line enters the slightly more
moist and buoyant air mass across eastern OK/western AR. The early
stage of this strengthening appears to be ongoing with the storms in
northeast OK (from Delaware County to McIntosh County). The area
downstream of these storms (into west-central AR) appears favorable
for continued storm strengthening.
Sporadic storm intensification is also possible south across
southeast OK and adjacent far northeast TX, but low/mid-level
temperatures are bit warmer here. These warmer temperatures could
limit updraft strength, suggesting somewhat transient updrafts are
more likely for the next hour or two.
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