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
000
FXUS01 KWBC 020816
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
415 AM EDT MON MAY 02 2016

VALID 12Z MON MAY 02 2016 - 12Z WED MAY 04 2016

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN MID-ATLANTIC...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE TENNESSEE VALLEY TO THE
CENTRAL APPALACHIANS...

A QUASI-STATIONARY FRONT EXTENDING FROM THE MID-ATLANTIC/CENTRAL
APPALACHIANS SOUTHWESTWARD TO THE LOWER MISSISSIPPI VALLEY WILL
SLOWLY SAG SOUTH AND EASTWARD TO THE SOUTHERN MID-ATLANTIC TO THE
SOUTHEAST AND PARTS OF THE EASTERN GULF COAST BY TUESDAY EVENING.
SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE
BOUNDARY FROM THE MID-ATLANTIC TO THE SOUTHERN PLAINS THAT WILL
EXTEND FROM THE NORTHERN MID-ATLANTIC COAST TO THE CENTRAL GULF
COAST BY TUESDAY.  RAIN WILL ALSO DEVELOP OVER PARTS OF THE GREAT
LAKES TO THE NORTHEAST THAT WILL SLOWLY MOVE INTO SOUTHEASTERN
CANADA BY TUESDAY AFTERNOON.

MEANWHILE, UPPER-LEVEL ENERGY OVER SOUTHERN CALIFORNIA WILL MOVE
SLOWLY EASTWARD TO THE SOUTHERN PLAINS BY TUESDAY.  THE ENERGY
WILL PRODUCE RAIN WITH EMBEDDED THUNDERSTORMS THAT WILL HAVE A
DIURNAL COMPONENT TO THE AREAL COVERAGE OVER PARTS OF CENTRAL
CALIFORNIA TO THE CENTRAL/SOUTHERN ROCKIES THAT WILL END OVER THE
REGION BY TUESDAY MORNING.  ANOTHER AREA OF UPPER-LEVEL ENERGY
WILL MOVE SOUTHWARD FROM THE NORTHERN PLAINS TO THE SOUTHERN
PLAINS BY TUESDAY EVENING.  THE ENERGY WILL TRIGGER RAIN OVER
PARTS OF THE NORTHERN PLAINS ON MONDAY MORNING THAT WILL MOVE
SOUTHWARD TO THE CENTRAL HIGH PLAINS BY TUESDAY MORNING.

FURTHERMORE, A FRONT MOVING SOUTHWARD OUT OF CENTRAL CANADA ON
TUESDAY MORNING WILL MOVE TO PARTS OF THE UPPER GREAT LAKES/UPPER
MISSISSIPPI VALLEY AND NORTHERN PLAINS BY TUESDAY EVENING.  RAIN
WILL MOVE INTO THE UPPER GREAT LAKE BY TUESDAY AFTERNOON EXPANDING
SOUTHWARD TO PARTS OF THE MIDDLE MISSISSIPPI VALLEY BY TUESDAY
EVENING.  ELSEWHERE, A FRONT OVER THE EASTERN PACIFIC WILL ADVANCE
ONSHORE OVER THE WEST COAST ON MONDAY EVENING INTO TUESDAY MORNING
TRAVELING TO PARTS OF THE NORTHERN INTERMOUNTAIN REGION/GREAT
BASIN BY TUESDAY EVENING.  RAIN WILL DEVELOP OVER PARTS OF THE
PACIFIC NORTHWEST INTO NORTHERN CALIFORNIA ON TUESDAY AFTERNOON
INTO EVENING.


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.