Prognostic Meteorological Discussion
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000
FXUS01 KWBC 150737
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
337 AM EDT MON SEP 15 2014

VALID 12Z MON SEP 15 2014 - 12Z WED SEP 17 2014

...TEMPERATURES WILL BE 10 DEGREES BELOW AVERAGE FROM PARTS OF THE
NORTHERN/CENTRAL PLAINS TO THE GREAT LAKES...

A DEVELOPING FRONT OVER THE CENTRAL PLAINS WILL MOVE SOUTHWARD TO
THE SOUTHERN PLAIN WHILE EXTENDING EASTWARD TO THE SOUTHEAST COAST
BY TUESDAY EVENING.  THE BOUNDARY WILL TRIGGER SHOWERS AND
THUNDERSTORMS OVER PARTS OF THE CENTRAL PLAIN/MIDDLE MISSISSIPPI
VALLEY ON MONDAY MOVING INTO PARTS OF THE OHIO VALLEY BY MONDAY
EVENING.  SHOWERS AND THUNDERSTORMS WILL IGNITE AGAIN OVER PARTS
OF THE SOUTHERN PLAINS INTO THE SOUTHERN ROCKIES MONDAY NIGHT INTO
TUESDAY MORNING.  IN ADDITION, UPPER-LEVEL ENERGY OVER THE UPPER
MISSISSIPPI VALLEY WILL MOVE EASTWARD TO OFF THE NORTHEAST COAST
BY TUESDAY. THE ENERGY WILL PRODUCE RAIN OVER PARTS OF THE UPPER
MISSISSIPPI VALLEY/UPPER GREAT LAKES ON MONDAY MOVING EASTWARD TO
THE NORTHEAST/MID-ATLANTIC COAST BY TUESDAY MORNING.

MEANWHILE, AN OLD FRONT ALONG THE SOUTHEAST COAST/EASTERN GULF
COAST WILL AID IN PRODUCING SHOWERS AND THUNDERSTORMS OVER PARTS
OF THE SOUTHEAST AND THE GULF COAST THROUGH TUESDAY.  ELSEWHERE,
MONSOONAL MOISTURE AND ADDITIONAL MOISTURE SURGING NORTHWARD OUT
OF THE GULF OF CALIFORNIA WILL AID IN PRODUCING SHOWER AND
THUNDERSTORMS OVER PARTS OF THE SOUTHWEST MONDAY AFTERNOON INTO
TUESDAY EVENING.  ADDITIONALLY, HIGH PRESSURE OVER THE NORTHERN
PLAINS WILL MOVE SOUTHEASTWARD TO THE OHIO VALLEY BY TUESDAY
EVENING.


ZIEGENFELDER



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