Prognostic Meteorological Discussion
Issued by NWS

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FXUS01 KWBC 240757

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
256 AM EST Sat Feb 24 2018

Valid 12Z Sat Feb 24 2018 - 12Z Mon Feb 26 2018

...There is a slight risk of severe thunderstorms over parts of
the Lower Mississippi Valley into the Tennessee/Southwestern Ohio

...Heavy snow over the Cascades and Northern Rockies...

...Heavy snow for Upper Mississippi Valley/Upper Great Lakes...

...Rain/freezing rain possible over parts of New England...

A wave of low pressure over the Southern High Plains will deepen
rapidly while moving to the Upper Great Lakes by Sunday morning
and continue to move to James Bay by Sunday evening.  The system
will produce snow over parts of the Southern/Central Rockies into
the Central Plains that will move northeastward into the Upper
Midwest by Saturday evening.  Buy Sunday evening the snow will
move out of the Upper Great Lakes into Canada.  The snow will be
heavy at times over the Upper Mississippi Valley into the Upper
Great Lakes overnight Saturday into Sunday.  Showers and
thunderstorms will develop along and ahead of the associated front
over parts of the Southern Plains into the Lower/Middle
Mississippi Valley into parts of the Ohio Valley by Saturday
evening.  The showers and thunderstorms will move eastward to the
Southern Mid-Atlantic/Southeast by Sunday evening, while
continuing over the Western/Central Gulf Coast.


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