775
FXUS01 KWBC 181944
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
344 PM EDT MON MAR 18 2024
VALID 00Z TUE MAR 19 2024 - 00Z THU MAR 21 2024
...HEAVY LAKE-EFFECT SNOW DOWNWIND FROM LAKES ERIE AND ONTARIO;
MODERATE TO HEAVY LAKE-EFFECT SNOW OVER THE EASTERN U.P. OF
MICHIGAN...
...LIGHT TO MODERATE SNOW OVER PARTS OF THE NORTHERN HIGH PLAINS
ON WEDNESDAY...
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
FLORIDA...
A FRONT MOVING OFF OF FLORIDA WILL CREATE SHOWERS AND STRONG TO
SEVERE THUNDERSTORMS OVER FLORIDA. THEREFORE, THE SPC HAS ISSUED A
MARGINAL RISK (LEVEL 1/5) OF SEVERE THUNDERSTORMS OVER PARTS OF
FLORIDA THROUGH TUESDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE
THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND
GUSTS, HAIL, AND A FEW TORNADOES. BY TUESDAY, THE SHOWERS AND
THUNDERSTORMS MOVE OFF THE SOUTHERN TIP OF FLORIDA AS THE FRONT
MOVES OFFSHORE.
MEANWHILE, UPPER-LEVEL ENERGY OVER THE OHIO VALLEY INTO THE
NORTHEAST WILL MOVE OFF THE NORTHEAST COAST BY TUESDAY MORNING.
ADDITIONALLY, UPPER-LEVEL ENERGY WILL MOVE OVER THE GREAT LAKES
INTO THE NORTHEAST ON TUESDAY. FURTHERMORE, A SECOND FRONT MOVING
SOUTH AND EASTWARD FROM CENTRAL CANADA WILL MOVE OVER PARTS OF THE
NORTHERN PLAINS/UPPER MISSISSIPPI VALLEY ON MONDAY EVENING, MOVING
TO THE GREAT LAKES BY TUESDAY AND TO THE NORTHEAST COAST BY
WEDNESDAY. THE ENERGY, AND LATER THE FRONT, WILL AID IN CREATING
LAKE-EFFECT SNOW DOWNWIND FROM THE GREAT LAKES THROUGH WEDNESDAY.
WITH THE FRONT, MODERATE TO HEAVY SNOW WILL DEVELOP OVER THE
EASTERN U.P. OF MICHIGAN TUESDAY EVENING INTO WEDNESDAY.
ADDITIONALLY, HEAVY LAKE-EFFECT SNOW DEVELOPS DOWNWIND FROM LAKES
ERIE AND ONTARIO. FURTHER, MODERATE SNOW WILL DEVELOP OVER THE
HIGHER ELEVATIONS OF THE NORTHEAST THROUGH WEDNESDAY EVENING AND
SNOW SHOWERS OVER PARTS OF THE OHIO VALLEY AND THE CENTRAL
APPALACHIANS THROUGH TUESDAY AFTERNOON.
ALONG THE WESTERN END OF THE FRONT MOVING OUT OF CANADA, SNOW WILL
DEVELOP OVER PARTS OF THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS
OVERNIGHT TUESDAY INTO WEDNESDAY.
MOREOVER, AN UPPER-LEVEL LOW OVER THE SOUTHERN
CALIFORNIA/SOUTHWEST WILL SLOWLY MOVE EASTWARD TO THE SOUTHERN
HIGH PLAINS BY WEDNESDAY EVENING. THE ENERGY WILL PRODUCE SNOW AND
LOWER-ELEVATION RAIN OVER PARTS OF THE SOUTHWEST AND SOUTHERN
ROCKIES, LINGERING THROUGH WEDNESDAY AFTERNOON. AS THE ENERGY
MOVES OUT OF THE ROCKIES, SHOWERS AND THUNDERSTORMS WILL DEVELOP
OVER PARTS OF THE SOUTHERN PLAINS. FARTHER NORTH, A DISSIPATING
FRONT MOVES NEAR THE PACIFIC NORTHWEST ON WEDNESDAY INTO WEDNESDAY
AFTERNOON AND WILL PRODUCE RAIN OVER PARTS OF THE NORTHWEST.
ZIEGENFELDER
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