Prognostic Meteorological Discussion
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FXUS01 KWBC 280756
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
356 AM EDT TUE MAR 28 2017

VALID 12Z TUE MAR 28 2017 - 12Z THU MAR 30 2017

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER SOUTHERN
PLAINS...

...HEAVY SNOW POSSIBLE OVER THE CASCADES AND THE CENTRAL ROCKIES...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE PACIFIC NORTHWEST AND THE
CENTRAL/SOUTHERN PLAINS/LOWER MISSISSIPPI VALLEY...

LOW PRESSURE OVER EASTERN OHIO VALLEY/CENTRAL APPALACHIANS WILL
MOVE OFF THE MID-ATLANTIC COAST OVERNIGHT TUESDAY.  SHOWERS AND
THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE ASSOCIATED COLD
FRONT FROM THE CENTRAL APPALACHIANS/TENNESSEE VALLEY TO THE
MID-ATLANTIC/SOUTHEAST ON TUESDAY MORNING THAT WILL MOVE OFF THE
MID-ATLANTIC/SOUTHEAST COAST TUESDAY EVENING INTO WEDNESDAY
MORNING.  RAIN WILL ALSO DEVELOP OVER THE LOWER GREAT LAKES INTO
PARTS OF THE NORTHEAST THAT WILL MOVE OFF THE NORTHEAST COAST BY
WEDNESDAY AFTERNOON.  ALSO, SNOW WILL DEVELOP OVER PARTS OF
NORTHERN MAINE WITH A FEW POCKETS OF RAIN/FREEZING RAIN THROUGH
WEDNESDAY MORNING.  SNOW WILL RETURN TO PARTS OF WESTERN NORTHERN
NEW ENGLAND BY WEDNESDAY AFTERNOON INTO EVENING.

MEANWHILE, AN UPPER-LEVEL LOW OVER THE SOUTHWEST WILL SLOWLY
ADVANCE EASTWARD TO SOUTHERN/CENTRAL PLAINS BY WEDNESDAY EVENING.
RAIN AND HIGHER ELEVATION SNOW WILL DEVELOP OVER PARTS OF THE
CENTRAL/SOUTHERN ROCKIES AND NORTHERN/CENTRAL HIGH PLAINS THAT
WILL END BY WEDNESDAY EVENING.  SHOWERS AND THUNDERSTORMS WILL
BEGIN TO DEVELOP OVER PARTS OF THE HIGH SOUTHERN PLAINS THAT WILL
EXPAND INTO PARTS OF THE CENTRAL/SOUTHERN PLAINS BY TUESDAY
EVENING.  OVERNIGHT TUESDAY THE SHOWERS AND THUNDERSTORM WILL MOVE
INTO PARTS OF THE MIDDLE/LOWER MISSISSIPPI VALLEY THAT WILL BE
ENDING OVER MOST OF THE SOUTHERN PLAINS BY WEDNESDAY EVENING.
ADDITIONALLY, RAIN WILL DEVELOP OVER PARTS OF THE CENTRAL PLAINS
ON TUESDAY MORNING THAT WILL MOVE INTO PARTS OF THE MIDDLE
MISSOURI VALLEY ON WEDNESDAY.

IN THE MEANTIME, ONSHORE FLOW ALONG WITH MULTIPLE UPPER-LEVEL
DISTURBANCES WILL AID IN PRODUCING RAIN AND HIGHER ELEVATION SNOW
OVER PARTS OF THE PACIFIC NORTHWEST

ZIEGENFELDER


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