330
FXUS01 KWBC 040746
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
346 AM EDT THU APR 04 2024
VALID 12Z THU APR 04 2024 - 12Z SAT APR 06 2024
...HEAVY SNOW OVER UPSTATE NEW YORK, NORTHERN NEW ENGLAND, THE
SIERRA NEVADA MOUNTAINS, AND CENTRAL APPALACHIANS ON THURSDAY...
...MODERATE TO HEAVY SNOW OVER THE NORTHERN INTERMOUNTAIN REGION
ON FRIDAY...
...TEMPERATURES WILL BE 10 TO 20 DEGREES BELOW AVERAGE OVER PARTS
OF THE OHIO VALLEY...
A DEEP STORM OVER THE GREAT LAKES AND THE NORTHEAST WILL SLOWLY
MOVE OFF THE NORTHEAST COAST BY SATURDAY. THE SYSTEM WILL PRODUCE
HEAVY, WET SNOW OVER NORTH-CENTRAL NEW ENGLAND AND NORTHEAST NEW
YORK AND LATER SPREAD NORTH THROUGH MAINE ON THURSDAY. SNOWFALL
RATES THEN DECREASE, BUT SNOW CONTINUES OVER NORTHERN NEW ENGLAND
INTO FRIDAY. SNOWFALL ACCUMULATIONS OF 1-2 FEET ARE 60 TO 70 %
LIKELIHOOD FOR MUCH OF NORTHERN NEW ENGLAND AND THE NORTHEAST PART
OF THE ADIRONDACKS. FURTHERMORE, HEAVY SNOW WILL DEVELOP OVER
PARTS OF THE CENTRAL APPALACHIANS.
THE SYSTEM WILL CREATE SIGNIFICANT IMPACTS FROM HEAVY SNOW AND
WIND. THE COMBINATION OF HEAVY SNOW RATES AND GUSTY WINDS WILL
LEAD TO DANGEROUS TRAVEL CONDITIONS, WITH WHITEOUT CONDITIONS AND
SNOW-COVERED ROADS. THE COMBINATION OF WET SNOW, HIGH SNOW LOAD,
AND STRONG WIND GUSTS COULD ALSO RESULT IN TREE DAMAGE AND POWER
OUTAGES.
MOREOVER, PROLONGED ONSHORE WINDS WILL CONTINUE THROUGH THURSDAY,
RESULTING IN MODERATE COASTAL FLOODING FOR PORTIONS OF THE
NORTHERN MID-ATLANTIC AND SOUTHERN NEW ENGLAND COAST. IMPACTS
INCLUDE WIDESPREAD ROADWAY FLOODING, COASTAL AND BAYSIDE FLOODING,
IMPASSABLE ROADS, AND SOME DAMAGE TO VULNERABLE STRUCTURES. SNOW
WILL LINGER OVER THE CENTRAL APPALACHIANS THROUGH LATE FRIDAY
NIGHT, WHILE THE SNOW WILL LINGER OVER PARTS OF THE NORTHEAST FROM
FRIDAY INTO SATURDAY MORNING. THE TEMPERATURES WILL BE 10 TO 20
DEGREES BELOW AVERAGE OVER PARTS OF THE OHIO VALLEY. ALSO, SHOWERS
AND THUNDERSTORMS COULD OCCUR OVER PARTS OF THE EASTERN OHIO
VALLEY THROUGH NORTHERN MID-ATLANTIC ON THURSDAY.
MEANWHILE, A FRONT OVER THE NORTHERN HIGH PLAINS, GREAT BASIN, AND
SOUTHERN CALIFORNIA WILL MOVE EASTWARD TO THE
NORTHERN/CENTRAL/SOUTHERN HIGH PLAINS BY SATURDAY. THE SYSTEM WILL
CREATE COASTAL RAIN AND HIGHER-ELEVATION SNOW OVER PARTS OF THE
PACIFIC NORTHWEST/NORTHERN INTERMOUNTAIN REGION AND NORTHERN
CALIFORNIA ON THURSDAY MORNING, EXPANDING INTO CENTRAL/SOUTHERN
CALIFORNIA THURSDAY EVENING INTO FRIDAY. HEAVY SNOW WILL DEVELOP
OVER THE SIERRA NEVADA MOUNTAINS ON THURSDAY. THE SNOW WILL
CONTINUE OVER THE NORTHWEST THROUGH SATURDAY. MODERATE TO HEAVY
SNOW WILL DEVELOP OVER THE NORTHERN INTERMOUNTAIN REGION ON
FRIDAY. THE SNOW WILL LINGER OVER THE SIERRA NEVADA MOUNTAINS
THROUGH SATURDAY, WHILE THE SNOW MOVES INTO THE GREAT BASIN,
SOUTHWEST, AND CENTRAL/SOUTHERN ROCKIES FRIDAY EVENING INTO
SATURDAY.
ZIEGENFELDER
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