Prognostic Meteorological Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
000
FXUS01 KWBC 250822
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
421 AM EDT THU MAY 25 2017

VALID 12Z THU MAY 25 2017 - 12Z SAT MAY 27 2017

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE CENTRAL HIGH PLAINS...

...HEAVY RAIN POSSIBLE OVER PARTS OF NORTHERN NEW ENGLAND COAST...

LOW PRESSURE OVER THE OHIO VALLEY WILL SLOWLY WEAKEN AND MOVE
EASTWARD OFF THE NORTHEAST COAST BY FRIDAY EVENING.  THE SYSTEM
WILL PRODUCE RAIN FROM THE GREAT LAKES AND OHIO/TENNESSEE VALLEYS
EASTWARD TO SOUTHERN NEW ENGLAND TO THE NORTHERN MID-ATLANTIC.  A
REGION OF EMBEDDED THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
LOWER GREAT LAKES TO THE MID-ATLANTIC THAT WILL MOVE INTO PARTS OF
SOUTHERN NEW ENGLAND BY THURSDAY EVENING, ENDING BY FRIDAY
MORNING.  RAIN WILL CONTINUE FROM THE LOWER GREAT LAKES TO THE
CENTRAL APPALACHIANS TO THE NORTHEAST THROUGH FRIDAY EVENING.  IN
ADDITION, AN AREA OF SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER
PARTS OF THE SOUTHERN MID-ATLANTIC THAT WILL MOVE OFF THE COAST
OVERNIGHT THURSDAY.  FURTHERMORE, SHOWERS AND THUNDERSTORMS WILL
ALSO DEVELOP OVER PARTS OF SOUTHERN FLORIDA BECOMING CONFIDED TO
THE SOUTHERN MOST TIP OF FLORIDA BY FRIDAY EVENING.

MEANWHILE, A FRONT EXTENDING FROM THE NORTHERN/CENTRAL PLAINS
WESTWARD TO THE GREAT BASIN WILL SLOWLY MOVE EASTWARD TO THE UPPER
GREAT LAKES TO THE MIDDLE MISSISSIPPI VALLEY THEN SOUTHWESTWARD TO
THE SOUTHERN HIGH PLAINS BY FRIDAY EVENING.  THE ENERGY FROM THE
STORM WILL PRODUCE RAIN AND HIGHEST ELEVATION SNOW OVER PARTS OF
THE NORTHERN ROCKIES THROUGH FRIDAY MORNING.  BY FRIDAY EVENING,
RAIN WITH EMBEDDED THUNDERSTORMS WILL EXTEND FROM PARTS OF THE
NORTHERN INTERMOUNTAIN REGION SOUTHEASTWARD TO THE CENTRAL HIGH
PLAINS.  ADDITIONALLY, RAIN WILL DEVELOP OVER PARTS OF THE
NORTHERN PLAINS/CENTRAL HIGH PLAINS INTO PARTS OF THE GREAT BASIN.
 THE RAIN WILL DEVELOP INTO SHOWERS AND THUNDERSTORMS FROM PARTS
OF THE UPPER MISSISSIPPI VALLEY TO THE CENTRAL HIGH PLAINS INTO
PARTS OF THE EASTERN GREAT BASIN BY THURSDAY EVENING.  BY FRIDAY
EVENING, THE SHOWERS AND THUNDERSTORMS WILL MOVE INTO PARTS OF THE
UPPER GREAT LAKES INTO THE WESTERN OHIO VALLEY/MIDDLE MISSISSIPPI
VALLEY.


ZIEGENFELDER


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP

$$





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