Prognostic Meteorological Discussion
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000
FXUS01 KWBC 281809
PMDSPD

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

VALID 00Z FRI MAY 29 2015 - 00Z SUN MAY 31 2015

...A COLD FRONT CROSSING THE UPPER MISSISSIPPI VALLEY TO THE
CENTRAL PLAINS BRINGS SHOWERS AND THUNDERSTORMS TO MOST OF THE
PLAINS AND MISSISSIPPI VALLEY THE NEXT FEW DAYS...

.LOCALLY HEAVY RAIN POSSIBLE IN THE CENTRAL TO SOUTHERN PLAINS TO
THE GREAT LAKES...

A COLD FRONT WILL MOVE QUICKLY SOUTH DOWN THE GREAT PLAINS AND
EAST ACROSS THE UPPER MISSISSIPPI VALLEY.  MOISTURE FROM THE GULF
OF MEXICO WILL AID DEVELOPMENT OF SHOWERS AND STORMS IN ADVANCE OF
THE FRONT AND ALSO THE DRYLINE DOWN IN TEXAS.
SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER MOST OF THE PLAINS TO
THE UPPER MISSISSIPPI VALLEY THROUGH THURSDAY NIGHT.  SHOWERS AND
STORMS MAY PRODUCE LOCALLY HEAVY RAINFALL.

AS THE COLD FRONT MOVES INTO THE GREAT LAKES FRIDAY, SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER THE UPPER GREAT LAKES AND EXPAND
SOUTHWARD IN ADVANCE OF THE FRONT OVER THE MID MISSISSIPPI VALLEY
DOWN INTO TEXAS.  LOCALLY HEAVY RAIN MAY OCCUR OVER THE SOUTHERN
PLAINS.  ON SATURDAY, THE FRONT MOVES INTO THE GREAT LAKES SO
SHOWERS WILL SHIFT EAST INTO THE UPPER OHIO VALLEY, NORTHEAST,
CENTRAL TO SOUTHERN APPALACHIANS, LOWER MISSISSIPPI VALLEY, AND
CENTRAL TO EASTERN GULF COAST.

ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS
OF THE CENTRAL APPALACHIANS/MID-ATLANTIC THURSDAY EVENING, AND
THEN REDEVELOPING ON FRIDAY AND SPREADING TOWARDS THE LOWER GREAT
LAKES FRIDAY NIGHT AND SATURDAY.

IN ADDITION, SHOWERS AND THUNDERSTORMS WILL DEVELOP NEAR A
STATIONARY FRONT OVER PARTS OF THE NORTHERN ROCKIES FRIDAY.

PETERSEN

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




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