465
FXUS01 KWBC 140652
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
151 AM EST THU NOV 14 2024
VALID 12Z THU NOV 14 2024 - 12Z SAT NOV 16 2024
...A RAPIDLY DEVELOPING COASTAL STORM IS EXPECTED TO BRING A
PERIOD OF GUSTY WINDS, ENHANCED RAINFALL AND THUNDERSTORMS FROM
THE CAROLINAS TO THE MID-ATLANTIC STATES THURSDAY NIGHT INTO
FRIDAY...
...LOWER ELEVATION/COASTAL RAIN AND MOUNTAIN SNOW CONTINUE FOR THE
PACIFIC NORTHWEST THURSDAY; A RAIN/SNOW MIX WILL SPREAD INLAND
ACROSS THE GREAT BASIN AND ROCKIES THURSDAY AND FRIDAY...
...MOST OF THE COUNTRY WILL SEE SEASONABLE TO ABOVE AVERAGE
TEMPERATURES TO END THE WEEK...
SHOWERS WILL CONTINUE THIS MORNING AND INTO THURSDAY AFTERNOON
AHEAD OF A LOW PRESSURE/FRONTAL SYSTEM PUSHING THROUGH THE GREAT
LAKES REGION, WITH PRECIPITATION CHANCES GRADUALLY WINDING DOWN
WITH TIME AND EASTWARD EXTENT THURSDAY EVENING AS THE SYSTEM
WEAKENS. TO THE SOUTH, MORE VIGOROUS SHOWERS AND THUNDERSTORMS AND
HEAVIER RAINFALL WILL CONTINUE AHEAD OF THE FRONT OVER THE UPPER
OHIO/TENNESSEE VALLEYS AND INTO THE SOUTHEAST, SPREADING INTO THE
CENTRAL/SOUTHERN APPALACHIANS THURSDAY AFTERNOON. THEN, BY
THURSDAY EVENING, A SECONDARY LOW IS EXPECTED TO DEVELOP ALONG THE
COAST OF THE CAROLINAS AND DEEPEN AS IT MOVES OFFSHORE, HELPING TO
ENHANCE ONSHORE FLOW AND RAIN CHANCES OVER THE CAROLINAS AND
SOUTHERN MID-ATLANTIC INTO THURSDAY NIGHT. SOME GUSTY WINDS WILL
ALSO BE POSSIBLE. RAIN CHANCES SHOULD QUICKLY TAPER OFF FROM WEST
TO EAST BY FRIDAY MORNING AS THE LOW MOVES AWAY FROM THE COAST.
FURTHER NORTH, AN AREA OF LOW PRESSURE LIFTING NORTHWARD OVER THE
ATLANTIC AND INTO NOVA SCOTIA WILL BRING SOME SHOWERS AND POSSIBLY
A WINTRY MIX INTO MAINE ON FRIDAY.
A PACIFIC FRONTAL SYSTEM MOVING THROUGH THE WEST WILL SPREAD
PRECIPITATION CHANCES INLAND OVER THE NEXT COUPLE OF DAYS. LOWER
ELEVATION/COASTAL RAIN AND HIGHER ELEVATION SNOWFALL OVER THE
PACIFIC NORTHWEST AND NORTHERN CALIFORNIA WILL CONTINUE THROUGH
THE DAY THURSDAY BEFORE TAPERING OFF INTO THURSDAY EVENING AS
MOIST FLOW FROM THE PACIFIC COMES TO AN END. A LOWER ELEVATION
RAIN/SNOW MIX AND HIGHER ELEVATION SNOW WILL SPREAD FURTHER INLAND
WITH THE SYSTEM OVER THE NORTHERN ROCKIES/GREAT BASIN THURSDAY AND
INTO THE CENTRAL GREAT BASIN/ROCKIES ON FRIDAY. SOME MODERATE TO
LOCALLY HEAVY SNOWFALL IS ALSO FORECAST FOR THE SIERRA NEVADA
THROUGH FRIDAY.
MOST OF THE COUNTRY WILL SEE SEASONABLE TO ABOVE AVERAGE
TEMPERATURES THURSDAY AND FRIDAY. CENTRAL PORTIONS OF THE COUNTRY
WILL CONTINUE TO SEE TEMPERATURES 5-15 DEGREES ABOVE AVERAGE AS AN
UPPER-LEVEL RIDGE PASSES OVER THE REGION. FORECAST HIGHS GENERALLY
RANGE FROM THE 40S AND 50S FOR THE GREAT LAKES/MIDWEST, THE 50S
FOR THE NORTHERN PLAINS, THE 60S FOR THE CENTRAL PLAINS, AND THE
60S AND 70S FOR THE SOUTHERN PLAINS. HIGHS WILL BE MORE SEASONABLE
AND EVEN A BIT BELOW AVERAGE FOR THE EAST COAST THURSDAY, WITH 40S
AND 50S FOR NEW ENGLAND, THE MID-ATLANTIC, AND THE CAROLINAS.
TEMPERATURES WILL REBOUND A BIT FRIDAY AS CONDITIONS MODERATE,
WITH HIGHS 5-10 DEGREES WARMER AND INTO THE 50S AND 60S. AREAS OF
THE SOUTHEAST/GULF COAST AHEAD OF THE COLD FRONT WILL SEE HIGHS AS
WARM AS THE UPPER 70S THURSDAY BEFORE FALLING INTO THE 60S AND LOW
70S FOLLOWING THE FRONTAL PASSAGE ON FRIDAY. MOST OF THE INLAND
WEST WILL SEE SEASONABLE TO ABOVE AVERAGE HIGHS THURSDAY AHEAD OF
THE INCOMING FRONTAL SYSTEM, WITH HIGHS IN THE 50S FOR THE GREAT
BASIN/ROCKIES/FOUR CORNERS REGION AND THE 80S INTO THE DESERT
SOUTHWEST. HIGHS ON FRIDAY WILL DROP INTO THE 40S FOR THE GREAT
BASIN AND 60S TO LOW 70S FOR THE DESERT SOUTHWEST FOLLOWING THE
FRONTAL PASSAGE. THE WEST COAST WILL SEE HIGHS MAINLY IN THE 50S
AND 60S.
PUTNAM
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHPSOME STRONG
THUNDERSTORMS AND ISOLATED FLASH FLOODING CONCERNS TO THE
TENNESSEE AND MISSISSIPPI AS WELL AS THE LOWER OHIO VALLEYS
WEDNESDAY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page