Prognostic Meteorological Discussion
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FXUS01 KWBC 260712
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
311 AM EDT TUE MAY 26 2015

VALID 12Z TUE MAY 26 2015 - 12Z THU MAY 28 2015

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE GREAT LAKES/OHIO VALLEY AND PARTS OF THE SOUTHERN PLAINS...

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

A QUASI-STATIONARY FRONT EXTENDING FROM THE GREAT LAKES TO THE
SOUTHERN PLAINS WILL SLOWLY BEGIN TO DISSIPATE OVER THE PLAINS AND
MISSISSIPPI VALLEY BY WEDNESDAY EVENING.  A PLUME OF MOISTURE FROM
THE GULF OF MEXICO EXTENDING FROM THE CENTRAL GULF COAST TO THE
OHIO VALLEY WILL MOVE EASTWARD TO THE EAST COAST LATE TUESDAY INTO
WEDNESDAY.  THE MOISTURE WILL AID IN PRODUCING SHOWERS AND
THUNDERSTORMS FROM THE CENTRAL GULF COAST TO THE UPPER GREAT LAKES
THAT WILL SLOWLY MOVE TO THE EAST COAST BY WEDNESDAY.  ADDITIONAL
SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE SOUTHERN
PLAINS AND ALONG THE DISSIPATING FRONT OVER PARTS OF THE
MIDDLE/LOWER MISSISSIPPI VALLEY TUESDAY EVENING INTO WEDNESDAY
EVENING.  IN ADDITION, RAIN WILL DEVELOP OVER PARTS OF THE UPPER
GREAT LAKES ON TUESDAY NIGHT INTO WEDNESDAY MORNING.

MEANWHILE, UPPER-LEVEL ENERGY OVER THE ROCKIES WILL AID IN
PRODUCING SHOWERS AND THUNDERSTORMS OVER PARTS OF THE
NORTHERN/CENTRAL ROCKIES AND PARTS OF THE GREAT BASIN THROUGH
WEDNESDAY.  ON WEDNESDAY SOME OF THE ENERGY WILL MOVE EASTWARD TO
THE NORTHERN PLAINS.  THE ENERGY WILL TRIGGER SHOWERS AND
THUNDERSTORMS OVER PARTS OF THE NORTHERN/CENTRAL PLAINS WEDNESDAY
AFTERNOON INTO EVENING.


ZIEGENFELDER


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