Prognostic Meteorological Discussion
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FXUS01 KWBC 230718
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
317 AM EDT SAT MAY 23 2015

VALID 12Z SAT MAY 23 2015 - 12Z MON MAY 25 2015

...HEAVY RAIN POSSIBLE FOR PORTIONS OF THE SOUTHERN/CENTRAL PLAINS
AND PARTS OF THE CENTRAL HIGH PLAINS...

..THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE
SOUTHERN/CENTRAL HIGH PLAINS...

A STORM OVER THE SOUTHERN HIGH PLAINS WILL SLOWLY MOVE NORTHWARD
TO THE CENTRAL HIGH PLAINS BY SUNDAY EVENING.  MOISTURE FROM THE
WESTERN GULF OF MEXICO WILL FLOW NORTHWARD OVER THE PLAINS ON
SATURDAY AND INTO THE MISSISSIPPI VALLEY BY SUNDAY.  SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER THE SOUTHERN PLAINS AND EXPAND
NORTHWARD INTO THE CENTRAL/NORTHERN PLAINS BY SATURDAY EVENING.
ON SUNDAY THE SHOWERS AND THUNDERSTORMS WILL EXPAND INTO PARTS OF
THE MISSISSIPPI VALLEY.  RAIN WILL ALSO DEVELOP OVER PARTS OF THE
NORTHERN PLAINS INTO THE UPPER MISSISSIPPI VALLEY BY SUNDAY
MORNING.  BY SUNDAY EVENING RAIN WILL DEVELOP OVER PARTS OF THE
GREAT LAKES.

IN ADDITION, THE UPPER-LEVEL TROUGH ASSOCIATED WITH THE STORM WILL
AID IN PRODUCING LATE NIGHT/MORNING RAIN WITH EMBEDDED
THUNDERSTORMS OVER PARTS OF THE NORTHWEST/GREAT BASIN INTO THE
NORTHERN/CENTRAL ROCKIES THROUGH SUNDAY.  ADDITIONALLY, AFTERNOON
AND EVENING SHOWERS/THUNDERSTORMS WILL DEVELOP OVER A GREATER AREA
OF THE NORTHWEST/GREAT BASIN INTO THE NORTHERN/CENTRAL ROCKIES AND
THE NORTHERN HIGH PLAINS ON SATURDAY AND SUNDAY.

ELSEWHERE, SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG PARTS OF
THE CENTRAL/EASTERN GULF COAST THROUGH SUNDAY.  LIGHT RAIN WILL
DEVELOP OVER PARTS OF NORTHERN NEW ENGLAND ON SUNDAY AHEAD OF A
FRONT MOVING OVER THE REGION.


ZIEGENFELDER


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





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