Prognostic Meteorological Discussion
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478
FXUS01 KWBC 251954
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
354 PM EDT THU AUG 25 2016

VALID 00Z FRI AUG 26 2016 - 00Z SUN AUG 28 2016

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER SEVERAL
AREAS FROM THE LOWER GREAT LAKES TO THE SOUTHERN HIGH PLAINS...

...HEAVY RAIN IS POSSIBLE OVER PARTS OF CENTRAL PLAINS...

A FRONT EXTENDING FROM THE GREAT LAKES TO THE CENTRAL HIGH PLAINS
WILL MOVE EASTWARD TO THE NORTHEAST/MID-ATLANTIC COAST WHILE
EXTENDING WESTWARD TO THE MIDDLE MISSISSIPPI VALLEY BY FRIDAY
EVENING.  BY SATURDAY MORNING, THE BOUNDARY MOVES INTO THE
CAROLINAS WHILE THE WESTERN END DISSIPATES.  MOISTURE WILL POOL
ALONG THE FRONT AIDING IN THE DEVELOPMENT OF SHOWERS AND
THUNDERSTORMS FROM THE NORTHEAST TO PARTS OF THE CENTRAL/SOUTHERN
HIGH PLAINS THAT WILL MOVE OFF THE NORTHEAST COAST BY FRIDAY
EVENING.  AS THE WESTERN PORTION OF THE BOUNDARY DISSIPATES, THE
SHOWERS AND THUNDERSTORMS WILL MOVE AWAY FROM THE OLD BOUNDARY
LIFTING NORTHWARD FROM THE SOUTHERN PLAINS/MIDDLE MISSISSIPPI
VALLEY INTO THE CENTRAL PLAINS/MIDDLE MISSOURI VALLEY OVERNIGHT
FRIDAY.

ADDITIONALLY, MOISTURE FLOWING NORTHWARD FROM THE GULF OF MEXICO
WILL MOVE INTO THE LOWER MISSISSIPPI VALLEY AND EASTERN TEXAS WILL
INTERACT WITH DAYTIME HEATING AND UPPER-LEVEL ENERGY TO PRODUCE
SHOWERS AND THUNDERSTORMS OVER THE WESTERN/CENTRAL GULF COAST
THROUGH SATURDAY MORNING.  SHOWERS AND THUNDERSTORMS WILL ALSO
DEVELOP OVER PARTS OF FLORIDA THROUGH SATURDAY.


ZIEGENFELDER


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP
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