Prognostic Meteorological Discussion
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000
FXUS01 KWBC 300749
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
348 AM EDT SUN AUG 30 2015

VALID 12Z SUN AUG 30 2015 - 12Z TUE SEP 01 2015

...HEAVY RAIN POSSIBLE OVER PARTS OF THE PACIFIC NORTHWEST...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHEAST COAST...

MOISTURE RICH AIR WILL STREAM NORTHWARD FROM THE ATLANTIC OVER THE
SOUTHEAST AND UPPER-LEVEL ENERGY WILL AID IN PRODUCING SHOWERS AND
THUNDERSTORMS OVER THE SOUTHEAST AND INTO PARTS OF THE SOUTHERN
MID-ATLANTIC COAST THROUGH MONDAY EVENING.  IN ADDITION,
UPPER-LEVEL ENERGY OVER THE MIDDLE MISSISSIPPI VALLEY TO THE OHIO
VALLEY WILL AID IN PRODUCING AREAS OF SHOWERS AND THUNDERSTORMS
OVER PARTS OF THE REGION THROUGH MONDAY MORNING.

A FRONT EXTENDING FROM THE NORTHERN HIGH PLAINS TO PARTS OF THE
GREAT BASIN WILL SLOWLY MOVE EASTWARD TO THE UPPER MISSISSIPPI
VALLEY ROUGHLY SOUTHWESTWARD TO THE GREAT BASIN BY MONDAY EVENING.
 SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE NORTHERN
HIGH PLAINS AND MOVE EASTWARD TO THE UPPER MISSISSIPPI VALLEY BY
MONDAY.  BEHIND THE SYSTEM ONSHORE FLOW OFF THE PACIFIC WILL
PRODUCE RAIN OVER PARTS OF THE PACIFIC NORTHWEST THROUGH MONDAY
EVENING.

ELSEWHERE, MONSOONAL MOISTURE AND DAYTIME HEATING WILL AID IN
PRODUCING SHOWERS AND THUNDERSTORMS OVER PART OF THE
SOUTHERN/CENTRAL ROCKIES AND PARTS OF THE SOUTHWEST/GREAT BASIN ON
SUNDAY AND MONDAY AFTERNOON AND INTO THE LATE EVENING.


ZIEGENFELDER


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