Prognostic Meteorological Discussion
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590
FXUS01 KWBC 300827
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
426 AM EDT SAT APR 30 2016

VALID 12Z SAT APR 30 2016 - 12Z MON MAY 02 2016

...SEVERE THUNDERSTORMS POSSIBLE OVER PARTS OF THE LOWER/MIDDLE
MISSISSIPPI VALLEY AND TENNESSEE VALLEY/CENTRAL GULF COAST...

...HEAVY RAIN POSSIBLE OVER THE LOWER MISSISSIPPI VALLEY...

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

...SNOW OVER PARTS OF THE CENTRAL ROCKIES AND CENTRAL HIGH
PLAINS...

A STRONG STORM OVER THE CENTRAL PLAINS/MIDDLE MISSISSIPPI VALLEY
WILL SLOWLY MOVE EASTWARD TO THE OHIO VALLEY BY SUNDAY EVENING.
SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE
ASSOCIATED FRONT FROM PARTS OF THE LOWER/MIDDLE MISSISSIPPI VALLEY
AND THE WESTERN GULF COAST THAT WILL MOVE TO THE GREAT LAKES/OHIO
VALLEY AND CENTRAL/SOUTHERN APPALACHIANS, WHILE EXTENDING
SOUTHWESTWARD TO THE LOWER MISSISSIPPI VALLEY BY SUNDAY MORNING.
THE SHOWERS AND THUNDERSTORMS WILL EXPAND INTO PARTS OF THE
SOUTHERN MID-ATLANTIC/SOUTHEAST BY SUNDAY EVENING.  RAIN AND
HIGHER ELEVATION SNOW WILL DEVELOP OVER PARTS OF THE CENTRAL
ROCKIES AND CENTRAL HIGH PLAINS THROUGH SUNDAY MORNING.  IN
ADDITION, RAIN WILL DEVELOP OVER PARTS OF THE CENTRAL HIGH PLAINS
EASTWARD TO PARTS OF THE WESTERN OHIO VALLEY ON SATURDAY MORNING
THAT WILL EXPAND INTO PARTS OF THE UPPER GREAT LAKES AND PARTS OF
THE NORTHEAST/NORTHERN MID-ATLANTIC BY SUNDAY MORNING.  RAIN WILL
CONTINUE OVER PARTS OF THE CENTRAL HIGH PLAINS/CENTRAL PLAINS
THROUGH SUNDAY AFTERNOON.  SIMILARLY, RAIN WILL CONTINUE OVER
PARTS OF THE MIDDLE MISSISSIPPI VALLEY/WESTERN OHIO VALLEY THROUGH
SUNDAY EVENING.

MEANWHILE, UPPER-LEVEL ENERGY WILL SETTLE INTO PARTS OF THE GREAT
BASIN/SOUTHWEST AND EXPAND EASTWARD TO PARTS OF THE SOUTHERN HIGH
PLAINS BY SUNDAY EVENING.  THE SYSTEM WILL PRODUCE RAIN OVER PARTS
OF THE NORTHERN INTERMOUNTAIN REGION SOUTHWARD TO PARTS OF
CENTRAL/SOUTHERN CALIFORNIA AND THE SOUTHWEST BY SATURDAY MORNING.
 RAIN WITH EMBEDDED THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
NORTHERN INTERMOUNTAIN REGION SOUTHWARD TO PARTS OF THE SOUTHWEST
AND EXPAND INTO PARTS OF THE SOUTHERN ROCKIES BY SATURDAY EVENING.
 THE RAIN AND EMBEDDED THUNDERSTORMS WILL END OVER THE NORTHERN
INTERMOUNTAIN REGION/GREAT BASIN BY SUNDAY MORNING. ON SUNDAY
MORNING RAIN WILL CONTINUE OVER PARTS OF THE SOUTHWEST/SOUTHERN
ROCKIES.  RAIN AND HIGHER ELEVATION SNOW WILL DEVELOP OVER PARTS
OF THE CENTRAL ROCKIES/CENTRAL HIGH PLAINS ON SUNDAY MORNING INTO
SUNDAY EVENING.  BY SUNDAY EVENING, RAIN WITH EMBEDDED
THUNDERSTORMS WILL DEVELOP OVER PARTS OF CENTRAL/SOUTHERN
CALIFORNIA AND EXTEND EASTWARD TO PARTS OF THE SOUTHERN HIGH
PLAINS.  ALSO ON SUNDAY, MOISTURE FROM THE GULF OF MEXICO WILL
MOVE WESTWARD OVER THE WESTERN GULF COAST INTO PARTS OF WESTERN
TEXAS PRODUCING SHOWERS AND THUNDERSTORMS OVER THE REGION.


ZIEGENFELDER


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