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 270743
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
342 AM EDT MON APR 27 2015

VALID 12Z MON APR 27 2015 - 12Z WED APR 29 2015

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE WESTERN GULF COAST AND THE LOWER MISSISSIPPI VALLEY...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS AND
CENTRAL/EASTERN GULF COAST...

...TEMPERATURES WILL BE 15 TO 30 DEGREES BELOW AVERAGE OVER PARTS
OF THE SOUTHERN HIGH PLAINS...

A STORM OVER THE SOUTHERN PLAINS WILL MOVE EASTWARD ALONG THE GULF
COAST TO ALABAMA BY TUESDAY EVENING.  THE SYSTEM WILL PRODUCE
SHOWERS AND THUNDERSTORMS OVER PARTS OF THE SOUTHERN
PLAINS/WESTERN GULF COAST AND ALONG THE COAST TO FLORIDA.  THE
SHOWERS AND THUNDERSTORMS WILL MOVE EASTWARD WITH THE LOW TO THE
EASTERN GULF COAST/SOUTHEAST BY TUESDAY EVENING.  RAIN WILL ALSO
DEVELOP OVER PARTS OF THE SOUTHERN HIGH PLAINS THAT WILL LIKEWISE
MOVE EASTWARD TO THE TENNESSEE VALLEY/SOUTHEAST BY TUESDAY.  IN
ADDITION, SNOW WILL DEVELOP OVER SOME OF THE HIGHER ELEVATIONS
OVER THE CENTRAL ROCKIES WITH RAIN AT THE LOWER ELEVATIONS THROUGH
LATE MONDAY NIGHT.

A DISSIPATING FRONT OVER THE UPPER MIDWEST WILL AID IN PRODUCING
RAIN OVER PARTS OF THE CENTRAL HIGH PLAINS INTO THE NORTHERN
PLAINS THAT WILL MOVE EASTWARD TO THE UPPER MISSISSIPPI VALLEY
BEFORE ENDING ON TUESDAY MORNING.  ADDITIONALLY, UPPER-LEVEL
CLOSED LOW NEAR THE NORTHEAST WILL AID IN PRODUCING RAIN OVER
PARTS OF THE NORTHEAST THROUGH TUESDAY EVENING.  ELSEWHERE, A
FRONT OVER THE PACIFIC WILL MOVE EASTWARD TO THE PACIFIC NORTHWEST
ON TUESDAY.  THE SYSTEM WILL PRODUCE RAIN ALONG PARTS OF THE
NORTHWEST COAST TUESDAY THROUGH TUESDAY 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.