746
FXUS01 KWBC 190751
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
250 AM EST WED NOV 19 2025
VALID 12Z WED NOV 19 2025 - 12Z FRI NOV 21 2025
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
SOUTHWEST ON WEDNESDAY AND SOUTHERN TEXAS ON THURSDAY...
...LIGHT SNOW OVER PARTS OF THE SOUTHERN UTAH MOUNTAINS, THE
COLORADO MOUNTAINS, AND THE SIERRA NEVADA MOUNTAINS...
ON WEDNESDAY, LOW PRESSURE AND THE ASSOCIATED FRONT OVER THE
SOUTHWEST WILL MOVE EASTWARD TO THE CENTRAL/SOUTHERN PLAINS BY
THURSDAY, THEN NORTHEASTWARD TO SOUTHEASTERN CANADA BY FRIDAY. THE
SYSTEM WILL PRODUCE HEAVY RAIN AND THUNDERSTORMS OVER PARTS OF THE
SOUTHWEST AND RAIN/HIGHER-ELEVATION SNOW OVER PARTS OF THE
CENTRAL/SOUTHERN ROCKIES OVERNIGHT WEDNESDAY INTO THURSDAY.
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF
EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHWEST THROUGH THURSDAY
MORNING. THE ASSOCIATED HEAVY RAIN WILL CAUSE MAINLY LOCALIZED
FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND BURN
SCARS BEING THE MOST VULNERABLE. IN ADDITION, LIGHT SNOW WILL
DEVELOP OVER PARTS OF THE SIERRA NEVADA MOUNTAINS AND THE SOUTHERN
UTAH MOUNTAINS ON WEDNESDAY. FURTHERMORE, THE SYSTEM WILL PRODUCE
RAIN WITH EMBEDDED THUNDERSTORMS OVER PARTS OF THE SOUTHERN
ROCKIES/SOUTHERN HIGH PLAINS ON WEDNESDAY INTO THURSDAY.
MOREOVER, ON THURSDAY, HEAVY RAIN AND THUNDERSTORMS WILL DEVELOP
OVER THE SOUTHERN PLAINS AND SPREAD INTO THE MIDDLE/LOWER
MISSISSIPPI VALLEY. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN
PLAINS INTO THE MIDDLE/LOWER MISSISSIPPI VALLEY THURSDAY INTO
FRIDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL CREATE MAINLY
LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL
STREAMS, NARROW CANYONS/GULLIES, AND BURN SCARS THE MOST
VULNERABLE. ALSO ON THURSDAY, RAIN WILL MOVE INTO THE OHIO VALLEY,
EXPANDING INTO THE CENTRAL APPALACHIAN BY THURSDAY EVENING AND THE
MID-ATLANTIC/NORTHEAST OVERNIGHT THURSDAY INTO FRIDAY.
ADDITIONALLY, ON WEDNESDAY, ANOTHER FRONT WILL APPROACH THE WEST
COAST, PRODUCING LIGHT RAIN OVER PARTS OF THE PACIFIC NORTHWEST
AND NORTHERN CALIFORNIA BY WEDNESDAY AFTERNOON, THEN EXPANDING
INTO SOUTHERN CALIFORNIA ON THURSDAY. THE LOW WILL THEN MOVE TO
NORTHWESTERN MEXICO BY FRIDAY MORNING. THE STORM WILL BRING RAIN
AND THE HIGHEST-ELEVATION SNOW TO THE SOUTHWEST THURSDAY INTO
FRIDAY.
ZIEGENFELDER
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