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 Forecast Discussion


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ACUS03 KWNS 170757
SWODY3
SPC AC 170756

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0156 AM CST Fri Nov 17 2017

Valid 191200Z - 201200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not expected over the continental U.S. Sunday.

...Discussion...

Early Sunday a cold front will extend from a deep surface low over
southeast Canada, along the Atlantic Seaboard, through the northern
FL peninsula. While a few showers might accompany the front as it
continues south across FL, shallow frontal forcing and relatively
warm temperatures aloft suggest the thermodynamic environment will
probably remain insufficient for lightning activity. Otherwise, a
large area of high pressure will contribute to offshore flow and
stable conditions over most of the country. An exception will be
over the lower great lakes where a lightning strike or two cannot be
ruled out with shallow lake effect convection.

..Dial.. 11/17/2017

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