U.S. Severe Weather Forecast (Convective Outlook)

Day Three

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Storm Prediction Center ac 200701 

Day 3 convective outlook 
National Weather Service Storm Prediction Center Norman OK 
0201 am CDT Monday Oct 20 2014 

Valid 221200z - 231200z 

..no severe thunderstorm areas forecast... 

mainly isolated thunderstorm activity is forecast across the Central 
Plains and middle Missouri River valley and southward into the 
southern High Plains and Rio Grande Valley. Elsewhere...a few 
storms will be possible in the southern Florida Peninsula. 

The primary upper-level feature for thunderstorm activity will be a 
shortwave trough moving from the northern and Central High plains eastward into 
the upper Midwest and middle MO River Valley during the day 3 period. 
An associated cold front extending south-southwestward from a low over S-central 
Canada into the Central High plains...will move eastward across portions of 
the northern and Central Plains states during the day as southerly low-level flow 
transports a narrow plume of modest low-level moisture northward into the 
Central Plains. Isolated thunderstorms are forecast to primarily 
develop during the afternoon/evening over the Central Plains and 
perhaps later farther east and S over western MO and OK. Modest middle-level 
lapse rates and limited moisture will likely negate appreciable 
severe potential across the plains states. 

.Smith.. 10/20/2014