Prognostic Meteorological Discussion
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000
FXUS01 KWBC 251955
PMDSPD

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
354 PM EDT Wed Apr 25 2018

Valid 00Z Thu Apr 26 2018 - 00Z Sat Apr 28 2018

...Moderate to locally heavy rainfall to spread across the Deep
South and into the Mid-Atlantic...

Rainfall moving through the Northeast this afternoon will continue
pressing northward, coming to an end on Thursday as the surface
low and associated upper level system races northward into Canada.
Behind this, another system is spreading rain and thunderstorms
across the middle Mississippi Valley and into the Southern Plains,
as an area of low pressure develops in the lower Mississippi
Valley along the attendant cold front. As this surface low tracks
east and eventually northeast Thursday and Friday, moderate to
locally heavy rainfall with embedded thunderstorms will move
across the Deep South and into the Mid-Atlantic. Behind this
front, temperatures will be on the cooler side, with afternoon
highs on Thursday and Friday near 10 degrees below normal across
the Gulf Coast states and into parts of the Tennessee Valley.

Elsewhere across the country, things should be mostly quiet as
surface high pressure dominates across the central states. Some
light and scattered rain showers may be possible along the
northern part of the cold front as it moves eastward through the
Great Lakes and eventually into the Northeast, and another round
of precipitation looks to enter the west coast by the end of the
work week ahead of a large upper level system out in the Pacific.


Santorelli

Graphics available at
www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
$$





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