614
FXUS01 KWBC 050743
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
243 AM EST SUN FEB 05 2023
VALID 12Z SUN FEB 05 2023 - 12Z TUE FEB 07 2023
...SNOW OVER PARTS OF THE CASCADES, GREAT BASIN, NORTHERN/CENTRAL
ROCKIES AND SIERRA NEVADA MOUNTAINS...
...SNOW OVER PARTS OF THE GREAT LAKES AND THE NORTHEAST, FOLLOWED
BY A SECOND ROUND OF SNOW OVER THE UPPER MISSISSIPPI VALLEY...
..POCKETS OF RAIN/FREEZING RAIN OVER PARTS OF THE UPPER MIDWEST
A DEEP UPPER-LEVEL TROUGH WILL MOVE ONSHORE OVER MOST OF THE WEST
COAST ON SUNDAY, MOVING TO THE UPPER GREAT LAKES TO THE SOUTHERN
ROCKIES BY TUESDAY. THE SYSTEM WILL PRODUCE RAIN AND
HIGHER-ELEVATION SNOW OVER PARTS OF THE PACIFIC NORTHWEST AND MOST
OF CALIFORNIA ON SUNDAY MORNING. THE SNOW EXPANDS EASTWARD INTO
THE NORTHERN INTERMOUNTAIN REGION AND GREAT BASIN BY SUNDAY
EVENING. BY MONDAY MORNING, THE RAIN AND SNOW WILL END OVER MOST
OF CALIFORNIA WHILE CONTINUING OVER PARTS OF THE NORTHWEST AND
NORTHERN INTERMOUNTAIN REGION/GREAT BASIN, MOVING INTO THE
NORTHERN AND CENTRAL ROCKIES. OVERNIGHT MONDAY INTO TUESDAY, RAIN
AND HIGHER ELEVATION SNOW WILL CONTINUE OVER THE NORTHWEST, WHILE
SCATTERED SNOW CONTINUES OVER THE ROCKIES.
MEANWHILE, A FRONT OVER THE UPPER MIDWEST OVERNIGHT SUNDAY WILL
MOVE INTO THE NORTHEAST AND OFF THE NORTHEAST COAST BY MONDAY
AFTERNOON. ON SUNDAY, THE BOUNDARY WILL PRODUCE LIGHT SNOW OVER
PARTS OF THE UPPER GREAT LAKES. OVERNIGHT SUNDAY, THE SNOW WILL
MOVE INTO THE LOWER GREAT LAKES AND NORTHERN NEW ENGLAND, ENDING
BY MONDAY EVENING.
FURTHERMORE, ON MONDAY, LOW PRESSURE OVER THE CENTRAL PLAINS WILL
MOVE NORTHWARD INTO SOUTHERN CANADA BY TUESDAY. MOISTURE WILL
STREAM NORTHWARD OVER THE MISSISSIPPI VALLEY INTO THE UPPER
MIDWEST. ON MONDAY AFTERNOON, SNOW WILL DEVELOP OVER PARTS OF THE
UPPER MISSISSIPPI VALLEY AND THE UPPER GREAT LAKES. IN THE
MEANTIME, RAIN WILL DEVELOP OVER PARTS OF THE CENTRAL PLAINS AND
EXPAND SOUTHWARD INTO THE MIDDLE MISSISSIPPI VALLEY/SOUTHERN
PLAINS. RAIN WILL CONTINUE TO EXPAND ALONG THE FRONT FROM THE
SOUTHERN PLAINS INTO THE WESTERN OHIO VALLEY AND GREAT LAKES. NEAR
THE RAIN/SNOW LINE, POCKETS OF RAIN/FREEZING RAIN WILL DEVELOP
OVERNIGHT MONDAY INTO TUESDAY MORNING. THE SNOW WILL RESULT IN
REDUCED VISIBILITY/HAZARDOUS DRIVING CONDITIONS AND ICE MAY CAUSE
DANGEROUS ROAD CONDITIONS, TOO.
ZIEGENFELDER
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