957
FXUS01 KWBC 161947
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
246 PM EST FRI FEB 16 2024
VALID 00Z SAT FEB 17 2024 - 00Z MON FEB 19 2024
...HEAVY SNOW OVER PARTS OF THE CENTRAL APPALACHIANS/NORTHERN
MID-ATLANTIC...
...LAKE-EFFECT SNOW OVER PARTS OF THE GREAT LAKES AND SNOW OVER
THE PACIFIC NORTHWEST TO THE CENTRAL ROCKIES AND SIERRA NEVADA
MOUNTAINS...
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF
CALIFORNIA FROM SATURDAY INTO SUNDAY...
A WAVE OF LOW PRESSURE OVER THE OHIO VALLEY WILL MOVE
NORTHEASTWARD OFF THE MID-ATLANTIC COAST BY SATURDAY MORNING. THE
SYSTEM WILL CREATE SNOW OVER THE MIDDLE MISSISSIPPI VALLEY/OHIO
VALLEY AND HEAVY SNOW OVER PARTS OF THE CENTRAL APPALACHIANS AND
NORTHERN MID-ATLANTIC FROM FRIDAY EVENING INTO SATURDAY MORNING.
THE SNOW WILL RESULT IN REDUCED VISIBILITY AND HAZARDOUS DRIVING
CONDITIONS. THE SNOW WILL LINGER OVER PARTS OF THE CENTRAL
APPALACHIANS/NORTHERN MID-ATLANTIC THROUGH SATURDAY EVENING.
MOREOVER, SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
SOUTHERN OHIO/TENNESSEE/LOWER MISSISSIPPI VALLEYS, ENDING ON
SATURDAY. THE SHOWERS AND THUNDERSTORMS WILL MOVE INTO PARTS OF
THE SOUTHEAST OVERNIGHT, FRIDAY THROUGH SUNDAY.
FURTHERMORE, UPPER-LEVEL ENERGY MOVING OVER THE GREAT LAKES INTO
THE NORTHEAST WILL PRODUCE LAKE-EFFECT SNOW DOWNWIND FROM THE
GREAT LAKES, WITH THE HEAVIEST AMOUNTS OVER THE EASTERN UP OF
MICHIGAN AND NORTHWESTERN LP OF MICHIGAN. OTHER AREAS OF HEAVIER
SNOW WILL BE DOWNWIND FROM LAKES ERIE AND ONTARIO. THE SNOW WILL
CONTINUE THROUGH SUNDAY. THE SNOW WILL RESULT IN REDUCED
VISIBILITY AND HAZARDOUS DRIVING CONDITIONS.
ADDITIONALLY, UPPER-LEVEL ENERGY OVER THE NORTHERN ROCKIES WILL
AID IN CREATING SNOW OVER PARTS OF THE GREAT BASIN AND THE CENTRAL
ROCKIES THROUGH EARLY SATURDAY MORNING. ON SATURDAY MORNING, SNOW
WILL DEVELOP OVER PARTS OF THE CENTRAL/SOUTHERN HIGH PLAINS,
ENDING BY SATURDAY EVENING. THE SNOW WILL RESULT IN REDUCED
VISIBILITY AND HAZARDOUS DRIVING CONDITIONS.
MEANWHILE, A FRONT OFF-SHORE FROM THE WEST COAST WILL MOVE ONSHORE
AND DISSIPATE BY SATURDAY EVENING. UPPER-LEVEL ENERGY ASSOCIATED
WITH THE DYING FRONT MOVES OVER THE PACIFIC NORTHWEST, PRODUCING
RAIN AND HIGHER-ELEVATION SNOW FROM EARLY SATURDAY MORNING THROUGH
SUNDAY. SNOW WILL ALSO DEVELOP OVERNIGHT SATURDAY INTO SUNDAY OVER
PARTS OF THE NORTHERN INTERMOUNTAIN REGION.
IN ADDITION, ON SATURDAY, RAIN AND HIGHER-ELEVATION SNOW WILL
DEVELOP OVER PARTS OF NORTHERN/CENTRAL CALIFORNIA. FURTHER, A
PLUME OF MOISTURE WILL STREAM INTO CALIFORNIA ON SATURDAY,
PRODUCING AREAS OF HEAVY RAIN. THEREFORE, THE WPC HAS ISSUED A
SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF NORTHERN
CALIFORNIA FROM SATURDAY INTO SUNDAY MORNING. THE ASSOCIATED HEAVY
RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH
URBAN AREAS, ROADS, SMALL STREAMS, AND BURN SCARS THE MOST
VULNERABLE.
ON SUNDAY, THE PLUME OF MOISTURE WILL MOVE OVER SOUTHERN
CALIFORNIA, PRODUCING HEAVY RAIN FROM NORTHERN CALIFORNIA TO
SOUTHERN CALIFORNIA. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK
OF EXCESSIVE RAINFALL OVER PARTS OF NORTHERN CALIFORNIA TO
SOUTHERN CALIFORNIA ON SUNDAY. THE ASSOCIATED HEAVY RAIN WILL
CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS,
ROADS, SMALL STREAMS, AND BURN SCARS THE MOST VULNERABLE.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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