143
FXUS01 KWBC 171924
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
223 PM EST SAT JAN 17 2026
VALID 00Z SUN JAN 18 2026 - 00Z TUE JAN 20 2026
..HEAVY SNOW OVER THE LAKES SUPERIOR AND MICHIGAN COASTLINE
..HEAVY SNOW DOWNWIND FROM LAKES ERIE AND ONTARIO
LOW PRESSURE ALONG A STATIONARY FRONT OVER NORTHEAST FLORIDA WILL
TRAVEL NORTHEASTWARD ALONG THE COAST THROUGH SUNDAY NIGHT. THE LOW
WILL PRODUCE RAIN OVER THE SOUTHEAST THAT WILL EXPAND NORTHWARD
INTO THE MID-ATLANTIC OVERNIGHT SATURDAY. BY SUNDAY MORNING, THE
PRECIPITATION ALONG THE WESTERN EDGE OF THE PRECIPITATION SHIELD
WILL CHANGE OVER TO SNOW FROM PARTS OF THE SOUTHEAST TO THE
MID-ATLANTIC. IN ADDITION, SNOW WILL DEVELOP FROM PARTS OF THE
MID-ATLANTIC TO THE NORTHEAST FROM EARLY SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT. THE SNOW WILL END OVER THE SOUTHEAST BY SUNDAY
EVENING. MOREOVER, UPPER-LEVEL TROUGHING WILL PRODUCE LIGHT SNOW
OVER THE GREAT LAKES TO THE OHIO VALLEY THROUGH LATE SATURDAY
NIGHT.
MEANWHILE, LOW PRESSURE MOVING SOUTHEASTWARD FROM CENTRAL CANADA
WILL MOVE OVER THE UPPER MISSISSIPPI VALLEY AND THE UPPER GREAT
LAKES AND THEN MOVE EASTWARD TO SOUTHEASTERN CANADA BY MONDAY
EVENING. THE SYSTEM WILL PRODUCE LIGHT SNOW OVER THE NORTHERN
PLAINS THAT WILL EXPAND INTO THE UPPER MISSISSIPPI VALLEY BY
SUNDAY MORNING. HEAVY LAKE-ENHANCED SNOW WILL DEVELOP OVER THE
GREAT LAKES FROM SUNDAY EVENING INTO EARLY MONDAY AFTERNOON. FROM
LATE MONDAY AFTERNOON INTO MONDAY EVENING, LAKE-EFFECT SNOW
DEVELOPS DOWNWIND FROM THE GREAT LAKES.
ZIEGENFELDER
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