432
FXUS01 KWBC 181942
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
341 PM EDT WED OCT 18 2023
VALID 00Z THU OCT 19 2023 - 00Z SAT OCT 21 2023
..RAIN FROM THE GREAT LAKES TO THE NORTHEAST
...TEMPERATURES WILL BE 15 TO 25 DEGREES ABOVE AVERAGE OVER THE
WESTERN THIRD OF THE COUNTRY...
ON WEDNESDAY EVENING, A FRONT EXTENDING FROM THE UPPER MISSISSIPPI
VALLEY TO THE SOUTHERN HIGH PLAINS WILL MOVE EASTWARD TO THE LOWER
GREAT LAKES/MID-ATLANTIC TO THE CENTRAL GULF COAST BY FRIDAY. THE
SYSTEM WILL PRODUCE RAIN OVER PARTS OF THE UPPER/MIDDLE
MISSISSIPPI VALLEY ON WEDNESDAY EVENING, MOVING INTO THE GREAT
LAKES/OHIO VALLEY BY THURSDAY AND CONTINUING EASTWARD INTO FRIDAY.
OVERNIGHT THURSDAY, THE RAIN WILL DEVELOP SOUTHWARD OVER THE
TENNESSEE VALLEY INTO THE CENTRAL GULF COAST.
IN ADDITION, ON THURSDAY EVENING, MOISTURE FROM THE ATLANTIC WILL
STREAM INTO THE MID-ATLANTIC, CREATING RAIN OVER THE REGION
OVERNIGHT THURSDAY INTO FRIDAY. AS THE FRONT MOVES EASTWARD ON
FRIDAY, RAIN MOVES INTO PARTS OF THE NORTHEAST AND EXTENDS
SOUTHWARD INTO THE SOUTHEAST BY FRIDAY EVENING.
MEANWHILE, UPPER-LEVEL RIDGING OVER THE WEST COAST CREEPS EASTWARD
INTO THE PLAINS BY FRIDAY. THE UPPER-LEVEL RIDGING WILL ALLOW
TEMPERATURES TO BE 15 TO 25 DEGREES ABOVE AVERAGE OVER THE WESTERN
THIRD OF THE COUNTRY.
ZIEGENFELDER
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