682
FXUS01 KWBC 062011
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
311 PM EST SAT JAN 06 2024
VALID 00Z SUN JAN 07 2024 - 00Z TUE JAN 09 2024
...MAJOR WINTER STORM FOR THE NORTHEAST AND POCKETS OF
RAIN/FREEZING RAIN IN THE CENTRAL APPALACHIANS...
...PACIFIC STORM SYSTEM TO BRING HEAVY MOUNTAIN SNOW, STRONG
WINDS, AND COASTAL RAIN TO THE WEST...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN FLORIDA PENINSULA...
A STORM OVER THE MID-ATLANTIC COAST WILL MOVE NORTHEASTWARD TO
CAPE COD AND THEN THE STORM WILL DEEPEN RAPIDLY WHILE MOVING OUT
OVER THE WESTERN ATLANTIC BY SUNDAY EVENING. THE STORM WILL
PRODUCE HEAVY SNOW OVER THE NORTHEAST AND A FEW POCKETS OF
RAIN/FREEZING RAIN OVER PARTS OF THE CENTRAL APPALACHIANS. HEAVY
SNOW WILL CONTINUE TO OVERSPREAD THE MID-ATLANTIC THIS EVENING AND
THEN LIFT INTO NEW ENGLAND TONIGHT. SNOW WILL END FROM WEST TO
EAST BY MONDAY MORNING. THIS WILL RESULT IN WIDESPREAD SNOWFALL
ACCUMULATIONS OF 6-12 INCHES, WITH LOCALLY AS MUCH AS 15 INCHES
POSSIBLE IN HIGHER ELEVATIONS.
ADDITIONAL IMPACTS WILL BE THE COMBINATION OF HEAVY SNOW RATES
EXCEEDING 1 INCH PER HOUR, AND GUSTY WINDS WILL LEAD TO
SNOW-COVERED ROADS AND LIMITED VISIBILITY TO CREATE DANGEROUS
TRAVEL. IN SOME AREAS, ESPECIALLY SOUTHERN NEW ENGLAND, THE SNOW
MAY BE HEAVY AND WET, WHICH COULD CAUSE ISOLATED POWER OUTAGES AND
TREE DAMAGE.
MOREOVER, MINOR COASTAL FLOODING IS POSSIBLE IN THE NORTHEAST DUE
TO GUSTY ONSHORE WINDS THAT MAY LEAD TO MINOR FLOODING ALONG THE
MID-ATLANTIC AND SOUTHERN NEW ENGLAND COASTS DURING THE SUNDAY
MORNING HIGH TIDE CYCLE.
FURTHERMORE, UPPER-LEVEL ENERGY OVER THE GREAT LAKES WILL AID IN
PRODUCING LIGHT SNOW OVER THE UPPER/MIDDLE MISSISSIPPI VALLEY AND
LIGHT TO MODERATE SNOW OVER PARTS OF THE GREAT LAKES/OHIO VALLEY
AND CENTRAL APPALACHIANS.
IN ADDITION, THE ASSOCIATED FRONT WILL MOVE ACROSS THE FLORIDA
PENINSULA, CREATING SHOWERS AND SEVERE THUNDERSTORMS. THEREFORE,
THE SPC HAS ISSUED A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE
SOUTHERN HALF OF THE FLORIDA PENINSULA VALLEY THROUGH SUNDAY
MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE
FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, A FEW
TORNADOES, AND A MINIMAL THREAT OF HAIL.
IN THE WAKE OF THE STORM, SCATTERED LIGHT SNOW WILL CONTINUE OVER
PARTS OF THE NORTHEAST, CENTRAL APPALACHIANS, LOWER GREAT LAKES,
AND OHIO VALLEY. MOST OF THE SNOW WILL END OVER THE NORTHEAST BY
MONDAY EVENING.
MEANWHILE, A FRONT OVER THE NORTHERN INTERMOUNTAIN REGION INTO
CENTRAL CALIFORNIA WILL MOVE SOUTHEASTWARD TO THE SOUTHERN
PLAINS/LOWER MISSISSIPPI VALLEY BY MONDAY EVENING. THE SYSTEM WILL
PRODUCE COASTAL RAIN AND HIGHER-ELEVATION SNOW OVER THE PACIFIC
NORTHWEST AND NORTHERN CALIFORNIA. THE RAIN AND HIGHER-ELEVATION
SNOW WILL MOVE INTO CENTRAL/SOUTHERN CALIFORNIA OVERNIGHT
SATURDAY. ON SUNDAY MORNING, SNOW WILL EXTEND FROM THE NORTHERN
INTERMOUNTAIN REGION TO THE SOUTHWEST AND CENTRAL/SOUTHERN
ROCKIES. MOREOVER, THE RAIN AND SNOW WILL END OVERNIGHT SUNDAY
OVER CALIFORNIA WHILE CONTINUING OVER THE PARTS OF THE PACIFIC
NORTHWEST AHEAD OF THE NEXT SYSTEM.
ON MONDAY MORNING, SNOW WILL EXTEND FROM THE NORTHERN PLAINS TO
THE CENTRAL AND SOUTHERN HIGH PLAINS. ALSO, RAIN WILL DEVELOP ON
MONDAY OVER PARTS OF THE CENTRAL/SOUTHERN PLAINS, WITH SHOWERS AND
THUNDERSTORMS OVER THE SOUTHERN PLAINS AND THE WESTERN/CENTRAL
GULF COAST. THE SHOWERS AND THUNDERSTORMS OVER THE WESTERN/CENTRAL
GULF COAST WILL BE SEVERE. THEREFORE, THE SPC HAS ISSUED A SLIGHT
RISK OF SEVERE THUNDERSTORMS OVER THE WESTERN/CENTRAL GULF COAST
ON MONDAY. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE
FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A
FEW TORNADOES.
MOREOVER, THE RAIN ASSOCIATED WITH THE STORMS WILL BE HEAVY.
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK OF EXCESSIVE RAINFALL
OVER THE CENTRAL GULF COAST ON MONDAY. THE ASSOCIATED HEAVY RAIN
WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN
AREAS, ROADS, AND SMALL STREAMS THE MOST VULNERABLE.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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