963
FXUS01 KWBC 261959
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
258 PM EST TUE DEC 26 2023
VALID 00Z WED DEC 27 2023 - 00Z FRI DEC 29 2023
...A SIGNIFICANT WINTER STORM WILL BE WINDING DOWN OVER THE
MIDWEST...
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF
SOUTHERN APPALACHIANS...
...LIGHT TO MODERATE SNOW AND AREAS OF RAIN/FREEZING RAIN OVER THE
MIDWEST...
THE WINTER STORM OVER THE MIDWEST WILL SLOWLY START WINDING DOWN.
BLIZZARD WARNINGS WILL BE ENDING LATER TUESDAY EVENING.
FURTHERMORE, THE STORM WILL ALSO PRODUCE AREAS OF LIGHT TO
MODERATE SNOW OVER PARTS OF THE NORTHERN/CENTRAL PLAINS AND MIDDLE
MISSISSIPPI VALLEY OVERNIGHT TUESDAY INTO WEDNESDAY MORNING. IN
ADDITION, AN AREA OF RAIN/FREEZING RAIN WILL DEVELOP OVER PARTS OF
THE NORTHERN PLAINS INTO THE UPPER MISSISSIPPI VALLEY.
MOREOVER, RAIN WILL EXTEND FROM THE SOUTHEAST NORTHWARD INTO THE
OHIO VALLEY/GREAT LAKES WITH EMBEDDED THUNDERSTORMS OVER PARTS OF
THE SOUTHEAST. MOISTURE WILL FLOW OFF THE ATLANTIC AND CREATE
AREAS OF HEAVY RAIN OVER PARTS OF THE SOUTHERN APPALACHIANS.
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK OF EXCESSIVE RAINFALL
OVER PARTS OF THE SOUTHERN APPALACHIANS THROUGH WEDNESDAY MORNING.
THE ASSOCIATED HEAVY RAIN WILL CREATE MAINLY LOCALIZED AREAS OF
FLASH FLOODING, WITH URBAN AREAS, ROADS, AND SMALL STREAMS THE
MOST VULNERABLE.
ON WEDNESDAY, THE STORM WILL CONTINUE TO WIND DOWN OVER THE
MIDWEST AS LIGHT SNOW CONTINUES OVER PARTS OF THE MIDWEST,
WEDNESDAY EVENING INTO THURSDAY. IN ADDITION, THE AREAS OF
RAIN/FREEZING RAIN WILL END OVER THE NORTHERN PLAINS/UPPER
MISSISSIPPI VALLEY ON WEDNESDAY. FURTHER, THE THREAT OF EXCESSIVE
RAINFALL DECREASES SLIGHTLY, WITH AN AREA OF MARGINAL RISK OVER
PARTS OF THE NORTHERN MID-ATLANTIC WEDNESDAY INTO THURSDAY
MORNING. LIKEWISE, THE RAIN FROM THE GREAT LAKES TO THE SOUTHEAST
MOVES EASTWARD TO THE MID-ATLANTIC AND NORTHEAST. LIGHT SNOW WILL
DEVELOP OVER PARTS OF NORTHERN MAINE, WITH A FEW POCKETS OF
RAIN/FREEZING RAIN OVERNIGHT WEDNESDAY. RAIN WILL CONTINUE OVER
THE MID-ATLANTIC/NORTHEAST ON THURSDAY. SCATTERED RAIN WILL
DEVELOP OVER PARTS OF THE MIDWEST, INCLUDING ON THURSDAY.
MEANWHILE, A FRONT OVER THE EASTERN PACIFIC MOVES ONSHORE OVER THE
PACIFIC NORTHWEST LATER ON WEDNESDAY, SLOWLY DISSIPATING BY
THURSDAY. THE SYSTEM WILL PRODUCE RAIN AND HIGHEST ELEVATION SNOW
OVER THE PACIFIC NORTHWEST AND CALIFORNIA THROUGH THURSDAY EVENING.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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