SPC 0100Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0744 PM CDT Wed Oct 21 2020

Valid 220100Z - 221200Z


No severe thunderstorms are expected through tonight.

...Midwest through upper Great Lakes regions...

Primary corridor of thunderstorm development will remain across the
Midwest into a portion of the Great Lakes tonight. An intensifying
southwesterly nocturnal low-level jet will augment isentropic ascent
and destabilization north of a warm front that extends from southern
KS into southern MO and the OH Valley as of mid evening. Numerous
thunderstorms are already underway from eastern IA through IL and
IN. Activity will remain elevated north of warm front, with marginal
MUCAPE and weak lapse rates limiting the potential for severe

..Dial.. 10/22/2020

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