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 050730
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
329 AM EDT THU MAY 05 2016

VALID 12Z THU MAY 05 2016 - 12Z SAT MAY 07 2016

...HEAVY RAIN POSSIBLE FOR PORTIONS OF THE CENTRAL APPALACHIANS
AND SOUTHERN MID-ATLANTIC/SOUTHEAST...

...WELL ABOVE AVERAGE TEMPERATURES EXPECTED FROM THE NORTHERN
ROCKIES TO THE UPPER MIDWEST...

A LOW PRESSURE SYSTEM WILL MOVE ACROSS THE MID-ATLANTIC STATES
TODAY, BRINGING RAIN AND THUNDERSTORMS TO MUCH OF THE SOUTHEAST,
MID-ATLANTIC, AND CENTRAL APPALACHIANS. LOCALLY HEAVY RAIN IS
POSSIBLE, WITH SOME AREAS FORECAST TO RECEIVE 1 TO 2 INCHES
THROUGH FRIDAY MORNING. ANOTHER LOW PRESSURE SYSTEM FARTHER
OFFSHORE WILL BRING RAIN TO COASTAL PORTIONS OF NEW ENGLAND TODAY.
FRIDAY AND SATURDAY ARE EXPECTED TO BE COOL WITH AREAS OF RAIN
PERSISTING ACROSS THE MID-ATLANTIC AND NORTHEAST AS THE AREA OF
LOW PRESSURE CROSSING THE MID-ATLANTIC TODAY STALLS OFFSHORE
BEFORE MOVING WESTWARD BACK TOWARD THE COAST.

WELL ABOVE AVERAGE TEMPERATURES WILL EXPAND EASTWARD FROM THE
NORTHERN ROCKIES AND NORTHERN PLAINS INTO THE UPPER MIDWEST TODAY
AS HIGH PRESSURE ALOFT HOLDS STRONG OVERHEAD. AFTERNOON HIGH
TEMPERATURES IN THESE AREAS ARE FORECAST TO BE 15 TO 30 DEGREES
ABOVE AVERAGE -- WITH TEMPERATURES NEARING 90 DEGREES FOR SOME.

AN UPPER-LEVEL LOW AND COLD FRONT WILL BRING SCATTERED SHOWERS AND
THUNDERSTORMS TO MUCH OF THE WESTERN U.S. TODAY. THIS SYSTEM WILL
MOVE EAST ON FRIDAY, WITH COVERAGE OF SHOWERS AND THUNDERSTORMS
INCREASING  ACROSS THE CENTRAL/NORTHERN ROCKIES. ALSO ON FRIDAY, A
COLD FRONT WILL MOVE SOUTH FROM CANADA INTO THE NORTHERN PLAINS
AND UPPER MIDWEST, BRINGING SCATTERED SHOWERS AND THUNDERSTORMS.
BY SATURDAY, THIS SYSTEM WILL MOVE INTO THE GREAT LAKES,
MID-MISSISSIPPI VALLEY, AND THE CENTRAL PLAINS, BRINGING SCATTERED
SHOWERS AND THUNDERSTORMS TO THOSE AREAS.


RYAN

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.