309
FXUS01 KWBC 090749
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
248 AM EST SUN FEB 09 2025
VALID 12Z SUN FEB 09 2025 - 12Z TUE FEB 11 2025
..SNOW WILL TAPER OFF ACROSS PARTS OF THE NORTHEAST
..LAKE-EFFECT SNOW DOWNWIND FROM THE GREAT LAKES
...TEMPERATURES WILL BE 10 TO 25 DEGREES BELOW AVERAGE ACROSS THE
NORTHERN ROCKIES/NORTHERN HIGH PLAINS...
AS LOW PRESSURE MOVES OFF THE NORTHEAST COAST, THE ASSOCIATED SNOW
WILL SLOWLY TAPER OFF ON SUNDAY. LAKE-EFFECT SNOW WILL DEVELOP
OVER PARTS OF THE UPPER GREAT LAKES FROM SUNDAY INTO TUESDAY. IN
ADDITION, LAKE-EFFECT SNOW WILL DEVELOP DOWNWIND FROM LAKE
ONTARIO, STARTING LATER ON SUNDAY AND CONTINUING INTO MONDAY. RAIN
WILL CONTINUE FROM PARTS OF THE SOUTHERN MID-ATLANTIC/CENTRAL
APPALACHIANS TO THE LOWER MISSISSIPPI VALLEY, SLOWLY TAPERING OFF
TO OVER PARTS OF THE SOUTHERN MID-ATLANTIC AND LOWER MISSISSIPPI
VALLEY BY SUNDAY EVENING.
MEANWHILE, ON SUNDAY, AN ARCTIC FRONT OVER WESTERN CANADA WILL
MOVE SOUTHEASTWARD TO THE GREAT LAKES/OHIO VALLEY AND WESTWARD TO
THE GREAT BASIN BY TUESDAY. IN THE WAKE OF THE FRONT, AN ARCTIC
HIGH WILL MOVE INTO THE NORTHERN PLAINS BY TUESDAY. COLD AIR
ASSOCIATED WITH THE HIGH WILL BRING TEMPERATURES 10 TO 25 DEGREES
BELOW AVERAGE ACROSS THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS.
UPSLOPE SNOW WILL DEVELOP OVER PARTS OF THE NORTHERN ROCKIES ON
SUNDAY, AS WEAK ONSHORE FLOW WILL PRODUCE COASTAL RAIN AND SNOW
OVER PARTS OF THE PACIFIC NORTHWEST. ON MONDAY, THE SNOW WILL
EXPAND INTO PARTS OF THE NORTHERN PLAINS, CONTINUING TO EXPAND
INTO THE CENTRAL/PLAINS/MIDDLE MISSISSIPPI VALLEY BY MONDAY
EVENING.
IN THE MEANTIME, A FRONT EXTENDING FROM THE SOUTHERN MID-ATLANTIC
SOUTHWESTWARD TO THE SOUTHERN HIGH PLAINS WILL AID IN PRODUCING
SCATTERED RAIN ALONG THE BOUNDARY THROUGH MONDAY MORNING. ALSO ON
MONDAY, MOISTURE FROM THE GULF WILL STREAM MOISTURE NORTHWARD OVER
THE SOUTHERN PLAINS AND LOWER MISSISSIPPI VALLEY, INTERSECTING THE
COLD AIR MOVING SOUTH OVER THE PLAINS, PRODUCING A BROAD AREA OF
LIGHT SNOW OVER NORTHERN/CENTRAL PLAINS AND MIDDLE
MISSISSIPPI/OHIO VALLEYS AND UPPER MISSISSIPPI VALLEY. STEADIER
RAIN AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE SOUTHERN
PLAINS/LOWER MISSISSIPPI VALLEY AND TENNESSEE VALLEY ON MONDAY
INTO TUESDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page