Prognostic Meteorological Discussion
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000
FXUS01 KWBC 231830
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
129 PM EST THU NOV 23 2017

VALID 00Z FRI NOV 24 2017 - 00Z SUN NOV 26 2017

...HEAVY RAINFALL POSSIBLE ACROSS PORTIONS OF FLORIDA THURSDAY...

...HEAVY RAINFALL POSSIBLE ACROSS THE PACIFIC NORTHWEST THURSDAY...

...WELL ABOVE NORMAL TEMPERATURES ACROSS MUCH OF THE WESTERN AND
CENTRAL U.S. INTO FRIDAY...

A COLD FRONT COMING ASHORE IN THE PACIFIC NORTHWEST WILL BRING WET
WEATHER TO THE REGION TODAY. LOCALLY HEAVY RAINFALL IS POSSIBLE
ALONG THE WESTERN OREGON AND WASHINGTON COAST WITH ONSHORE FLOW
BRINGING PACIFIC MOISTURE INLAND. SNOW LEVELS WILL BEGIN FAIRLY
HIGH AND LOWER THROUGH THE AFTERNOON AS COLDER AIR FILTERS IN
BEHIND THE COLD FRONT. MODERATE TO HEAVY ACCUMULATIONS WILL BE
POSSIBLE ACROSS THE NORTHERN CASCADES. AS THE STORM SYSTEM MOVES
INLAND SNOW LEVELS WILL LOWER ACROSS THE NORTHERN ROCKIES WHERE
SOME LIGHT ACCUMULATIONS AREA POSSIBLE.

STRONG SOUTHWESTERLY FLOW AHEAD OF THE FRONT ACROSS MUCH OF THE
WESTERN U.S. WILL ALLOW TEMPERATURE TO RISE MUCH ABOVE NORMAL FOR
THANKSGIVING DAY. PORTIONS OF THE NORTHERN PLAINS COULD SEE HIGH
TEMPERATURES TODAY AS MUCH AS 30 DEGREES ABOVE NORMAL WHILE MUCH
OF THE WESTERN U.S. WILL SEE TEMPERATURE 10 TO 20 DEGREES ABOVE
NORMAL. THE WARMTH WILL SPREAD EASTWARD FOR FRIDAY WITH MUCH OF
THE CENTRAL U.S. ENJOYING HIGH TEMPERATURES 10 TO 20 DEGREES ABOVE
NORMAL.

THE EASTERN U.S. WILL BE RELATIVELY COOL TODAY WITH TEMPERATURE
SLIGHTLY BELOW NORMAL. A LINGERING FRONTAL BOUNDARY ACROSS FLORIDA
WILL BE A FOCUS FOR HEAVY RAINFALL TODAY.


KREKELER

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




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