Prognostic Meteorological Discussion
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FXUS01 KWBC 280716
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
315 AM EDT THU MAY 28 2015

VALID 12Z THU MAY 28 2015 - 12Z SAT MAY 30 2015

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
NEW ENGLAND AND THE CENTRAL/SOUTHERN HIGH PLAINS...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS...

A WEAK BOUNDARY EXTENDING FROM THE NORTHERN APPALACHIANS TO THE
SOUTHERN OHIO VALLEY THEN WESTWARD TO THE CENTRAL PLAINS WILL
DISSIPATE BY THURSDAY EVENING.  A SECOND FRONT OVER SOUTHWEST
CANADA WILL MOVE SOUTHWARD TO THE SOUTHERN HIGH PLAINS/SOUTHERN
ROCKIES WHILE MOVING EASTWARD TO THE UPPER GREAT LAKES TO THE
CENTRAL PLAINS BY FRIDAY EVENING.  MOISTURE FROM THE GULF OF
MEXICO WILL EXTEND NORTHWARD TO THE GREAT LAKES BY FRIDAY.
SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE SOUTHERN
PLAINS TO THE EASTERN GULF COAST AND NORTHWARD TO THE UPPER
MISSISSIPPI VALLEY AND THE SOUTHERN OHIO VALLEY THROUGH THURSDAY
NIGHT.  SHOWERS AND THUNDERSTORMS OVER THE NORTHEAST WILL MOVE OFF
THE NORTHEAST COAST BY LATER THURSDAY EVENING.  ANOTHER AREA OF
SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE CENTRAL
APPALACHIAN/SOUTHERN MID-ATLANTIC BY THURSDAY EVENING, LIKEWISE
MOVING OFF THE MID-ATLANTIC COAST BY LATER THURSDAY EVENING.  SOME
OF THE SHOWERS AND THUNDERSTORMS WILL REMAIN OVER PARTS OF THE
CENTRAL APPALACHIANS TO FRIDAY MORNING BEFORE ENDING.

MEANWHILE, SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF
THE NORTHERN HIGH PLAINS AS THE CANADIAN FRONT MOVES SOUTHWARD BY
THURSDAY AFTERNOON.  THESE SHOWERS AND THUNDERSTORMS WILL DEVELOP
ALONG AND AHEAD OF THE BOUNDARY MOVING INTO THE NORTHERN
PLAINS/UPPER MISSISSIPPI VALLEY BY THURSDAY EVENING.  THE SHOWERS
AND THUNDERSTORMS WILL MOVE INTO THE UPPER GREAT LAKES AND EXPAND
SOUTHWARD ALONG THE FRONT INTO THE SOUTHERN PLAINS/MIDDLE
MISSISSIPPI VALLEY BY FRIDAY EVENING.  IN ADDITION, SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE NORTHERN ROCKIES BY
FRIDAY EVENING.


ZIEGENFELDER


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV
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