Prognostic Meteorological Discussion
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FXUS01 KWBC 250717
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
316 AM EDT MON MAY 25 2015

VALID 12Z MON MAY 25 2015 - 12Z WED MAY 27 2015

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN PLAINS AND PARTS OF THE CENTRAL PLAINS/MIDDLE
MISSISSIPPI VALLEY...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS/LOWER
MISSISSIPPI VALLEY AND PARTS OF THE SOUTHERN APPALACHIANS...

A QUASI-STATIONARY FRONT EXTENDS FROM THE GREAT LAKES TO THE
CENTRAL/SOUTHERN PLAINS THROUGH TUESDAY.  MOISTURE FROM THE GULF
OF MEXICO WILL FLOW NORTHWARD TO THE GREAT LAKES FROM THE LOWER
MISSISSIPPI VALLEY AND MOVE EASTWARD TO THE EASTERN GULF COAST TO
THE LOWER GREAT LAKES/NORTHEAST BY TUESDAY EVENING.  SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER SOUTHERN/CENTRAL PLAINS AND FROM
THE CENTRAL/EASTERN GULF COAST TO THE OHIO VALLEY THAT WILL EBB
AND FLOW ON MONDAY.  ON TUESDAY THE AXIS OF SHOWERS AND
THUNDERSTORMS WILL EXTEND FROM THE CENTRAL GULF COAST TO PARTS OF
THE UPPER MISSISSIPPI VALLEY/UPPER GREAT LAKES THAT WILL MOVE
EASTWARD TO THE EASTERN GULF COAST TO PARTS OF THE GREAT LAKES BY
TUESDAY EVENING.  IN ADDITION, RAIN WILL DEVELOP OVER THE NORTHERN
PLAINS TO PARTS OF THE UPPER GREAT LAKES/NORTHEAST ON MONDAY.
ADDITIONALLY,RAIN WILL DEVELOP OVER PARTS OF THE CENTRAL
APPALACHIANS INTO THE NORTHEAST ON TUESDAY AND MOVE INTO PARTS OF
THE MID-ATLANTIC/NORTHEAST BY TUESDAY EVENING.

MEANWHILE, AN UPPER-LEVEL TROUGH WILL CONTINUE OVER THE WESTERN
PORTIONS OF THE U. S..  DAY TIME HEATING WILL AID IN PRODUCING
SHOWERS AND THUNDERSTORMS OVER PARTS OF THE NORTHERN/CENTRAL
ROCKIES INTO PARTS OF THE GREAT BASIN WITH MAXIMUM AREAL COVERAGE
DURING THE AFTERNOON AND EVENING HOURS AND A MINIMUM AREAL
COVERAGE DURING THE LATE NIGHT/MORNING HOURS.


ZIEGENFELDER


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