Prognostic Meteorological Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
000
FXUS01 KWBC 020731
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
330 AM EDT THU APR 02 2015

VALID 12Z THU APR 02 2015 - 12Z SAT APR 04 2015

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE MIDDLE/LOWER MISSISSIPPI VALLEY AND THE OHIO VALLEY...

...HEAVY RAIN POSSIBLE FROM PARTS OF THE MIDDLE MISSISSIPPI VALLEY
INTO THE OHIO VALLEY...

A FRONT EXTENDING FROM THE UPPER GREAT LAKES TO THE SOUTHERN HIGH
PLAINS WILL MOVE EASTWARD TO THE LOWER GREAT LAKES TO THE LOWER
MISSISSIPPI VALLEY/WESTERN GULF COAST BY FRIDAY EVENING.  MOISTURE
FROM THE GULF OF MEXICO WILL POOL ALONG THE BOUNDARY PRODUCING
SHOWERS AND THUNDERSTORMS OVER PARTS OF THE MIDDLE MISSISSIPPI
VALLEY/WESTERN OHIO VALLEY THAT WILL MOVE EASTWARD TO THE CENTRAL
APPALACHIANS TO THE LOWER MISSISSIPPI VALLEY BY FRIDAY.  IN
ADDITION, LIGHT TO MODERATE RAIN WILL DEVELOP OVER PARTS OF THE
GREAT LAKES ON THURSDAY AFTERNOON AND MOVE EASTWARD OFF THE
NORTHEAST COAST BY FRIDAY MORNING.  BY FRIDAY EVENING, A NEW AREA
OF LIGHT TO MODERATE RAIN WILL DEVELOP OVER PARTS OF THE
NORTHEAST.

ADDITIONAL UPPER-LEVEL ENERGY OVER THE GREAT BASIN WILL MOVE
EASTWARD TO THE MIDDLE MISSISSIPPI VALLEY BY FRIDAY EVENING.  THE
ENERGY WILL TRIGGER LIGHT SNOW OVER PARTS OF THE NORTHERN ROCKIES
TO THE GREAT BASIN THAT WILL EXPAND AND FILL IN FROM THE NORTHERN
ROCKIES TO THE CENTRAL ROCKIES BY THURSDAY EVENING.  RAIN WILL
ALSO DEVELOP OVER PARTS OF THE CENTRAL HIGH PLAINS ON THURSDAY
AFTERNOON INTO EARLY FRIDAY MORNING.  THE SNOW WILL WIND DOWN OVER
PARTS OF THE CENTRAL ROCKIES ON FRIDAY MORNING.

ELSEWHERE, A FRONT WILL MOVE ONSHORE OVER THE PACIFIC NORTHWEST ON
FRIDAY.  THE SYSTEM WILL PRODUCE RAIN AND SNOW AT HIGHER
ELEVATIONS ON FRIDAY OVER PARTS OF THE NORTHWEST TO THE NORTHERN
INTERMOUNTAIN REGION.


ZIEGENFELDER


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





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.