Prognostic Meteorological Discussion
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FXUS01 KWBC 290758
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
358 AM EDT WED MAR 29 2017

VALID 12Z WED MAR 29 2017 - 12Z FRI MAR 31 2017

...THERE IS AS SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE
MIDDLE/LOWER MISSISSIPPI VALLEYS...

...HEAVY SNOW LIKELY FOR THE CASCADES AND THE NORTHERN
ROCKIES/GREAT BASIN...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE PACIFIC NORTHWEST AND THE
LOWER/MIDDLE MISSISSIPPI VALLEY...

LOW PRESSURE OVER THE SOUTHERN PLAINS WILL SLOWLY MOVE
NORTHEASTWARD TO THE MIDDLE MISSISSIPPI VALLEY/WESTERN OHIO VALLEY
BY THURSDAY EVENING.  THE STORM WILL PRODUCE SHOWERS AND
THUNDERSTORMS OVER PARTS OF THE CENTRAL/SOUTHERN PLAINS AND MIDDLE
MISSISSIPPI VALLEY INTO PARTS OF THE SOUTHERN HIGH PLAINS THAT
WILL MOVE EASTWARD TO THE OHIO VALLEY/TENNESSEE VALLEY AND CENTRAL
GULF COAST BY THURSDAY EVENING.  SHOWERS AND THUNDERSTORMS WILL
ALSO DEVELOP OVER PARTS OF THE CENTRAL/SOUTHERN APPALACHIANS AND
THE SOUTHEAST ON THURSDAY AFTERNOON INTO THURSDAY EVENING.  IN
ADDITION, RAIN WILL DEVELOP OVER PARTS OF THE MIDDLE MISSOURI
VALLEY ON WEDNESDAY MORNING AND EXPAND INTO PARTS OF THE UPPER
GREAT LAKES BY WEDNESDAY EVENING.  BY THURSDAY RAIN WILL MOVE INTO
THE GREAT LAKES AND INTO PARTS OF THE NORTHERN APPALACHIANS BY
THURSDAY EVENING.

MUCH OF THE PACIFIC NORTHWEST WILL HAVE WIDESPREAD PRECIPITATION
THANKS TO ONSHORE FLOW ALONG WITH MULTIPLE UPPER-LEVEL
DISTURBANCES.
RAIN AND HIGHER ELEVATION SNOW IS FORECAST FROM WASHINGTON TO
NORTHERN CALIFORNIA AND EAST THROUGH THE GREAT BASIN AND THE
INTERMOUNTAIN WEST COASTAL AREAS WILL LIKELY HAVE PERIODS OF
HEAVIER RAINFALL INTENSITY. THE NORTHERN CASCADES AND SECTIONS OF
THE CENTRAL ROCKIES WILL LIKELY HAVE HEAVY SNOW OVER THE NEXT FEW
DAYS.


ZIEGENFELDER


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