568
FXUS01 KWBC 160803
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
402 AM EDT SUN MAR 16 2025
VALID 12Z SUN MAR 16 2025 - 12Z TUE MAR 18 2025
...HEAVY SNOW MOVING INTO THE CASCADES AND NORTHERN INTERMOUNTAIN
REGION AS A QUICK ROUND OF LIGHT TO MODERATE SNOW I...HEAVY SNOW
OVER THE CASCADES/NORTHERN INTERMOUNTAIN REGION/ NORTHERN ROCKIES
AND LIGHT TO MODERATE SNOW OVER THE UPPER GREAT LAKES...
...A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE PARTS OF THE
LOWER GREAT LAKES, CENTRAL APPALACHIANS, MID-ATLANTIC, AND THE
SOUTHEAST...
...TEMPERATURES WILL BE 15 TO 25 DEGREES ABOVE AVERAGE OVER PARTS
OF THE NORTHEAST/CENTRAL APPALACHIANS...
A FRONT EXTENDING FROM THE LOWER GREAT LAKES TO THE CENTRAL GULF
COAST WILL MOVE OFF THE EAST COAST BY OVERNIGHT MONDAY. AHEAD OF
THE FRONT, TEMPERATURES WILL BE 15 TO 25 DEGREES ABOVE AVERAGE IN
PARTS OF THE NORTHEAST/CENTRAL APPALACHIANS. THE STORM WILL
PRODUCE SHOWERS AND SEVERE THUNDERSTORMS FROM THE LOWER GREAT
LAKES TO THE SOUTHEAST ON SUNDAY. THEREFORE, THE SPC HAS ISSUED A
SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE
LOWER GREAT LAKES, CENTRAL APPALACHIANS, MID-ATLANTIC, AND THE
SOUTHEAST THROUGH MONDAY MORNING. THE HAZARDS ASSOCIATED WITH
THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM
WIND GUSTS, HAIL, AND A FEW TORNADOES.
IN ADDITION, LIGHT TO MODERATE SNOW WILL DEVELOP OVER PARTS OF THE
UPPER GREAT LAKES/MIDDLE MISSISSIPPI VALLEY ON SUNDAY. ALSO, RAIN
WILL DEVELOP OVER PARTS OF THE UPPER GREAT LAKES AND OHIO VALLEY
ON SUNDAY.
BY MONDAY, THE THREAT OF SEVERE THUNDERSTORMS WILL END AS THE
BOUNDARY CONTINUES TO MOVE EASTWARD OVER THE ATLANTIC OCEAN. RAIN
WILL CONTINUE OVER PARTS OF THE NORTHEAST INTO THE NORTHERN
MID-ATLANTIC ON MONDAY MORNING, WITH A NARROW BAND OF LIGHT SNOW
ON THE NORTHWEST SIDE OF THE PRECIPITATION SHIELD FROM PARTS OF
THE LOWER GREAT LAKES TO THE CENTRAL APPALACHIANS. THE RAIN AND
SNOW WILL WIND DOWN OVER PARTS OF NORTHERN NEW ENGLAND BY MONDAY
EVENING.
MEANWHILE, ON SUNDAY, A SECOND FRONT OVER THE PACIFIC NORTHWEST
WILL MOVE INLAND TO PARTS OF THE GREAT LAKES TO THE CENTRAL PLAINS
AND THEN SOUTHWESTWARD TO THE SOUTHWEST BY TUESDAY. ON SUNDAY, THE
SYSTEM WILL PRODUCE COASTAL RAIN AND HIGHER-ELEVATION SNOW OVER
PARTS OF THE PACIFIC NORTHWEST/NORTHERN CALIFORNIA. THE COASTAL
RAIN AND HIGHER-ELEVATION SNOW WILL MOVE INTO CENTRAL CALIFORNIA
BY SUNDAY AFTERNOON. FURTHERMORE, THE SNOW WILL BE HEAVY OVER THE
CASCADES, NORTHERN INTERMOUNTAIN REGION, AND NORTHERN ROCKIES. AS
THE SYSTEM MOVES ONTO THE NORTHERN PLAINS, LIGHT SNOW WILL ALSO
DEVELOP OVER PARTS OF THE NORTHERN PLAINS AND UPPER MISSISSIPPI
VALLEY ON SUNDAY.
OVERNIGHT SUNDAY, A TRAILING FRONT WILL MOVE ONSHORE OVER PARTS OF
CALIFORNIA AND CONTINUE INTO THE SOUTHWEST BY MONDAY EVENING.
COASTAL RAIN AND HIGHER-ELEVATION SNOW WILL CONTINUE OVER PARTS OF
CALIFORNIA AND THE PACIFIC NORTHWEST ON SUNDAY INTO MONDAY. SNOW
MOVES INTO THE GREAT BASIN AND THE CENTRAL ROCKIES ON MONDAY
MORNING. THE SNOW WILL BE HEAVY OVER THE SIERRA NEVADA MOUNTAINS
ON MONDAY. MOREOVER, AS PART OF THE BOUNDARY MOVES INTO THE
MIDWEST, LIGHT SNOW CONTINUES OVER PARTS OF THE NORTHERN
PLAINS/UPPER MISSISSIPPI VALLEY AND THE UPPER GREAT LAKES ON
MONDAY.
ZIEGENFELDER
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