040
FXUS01 KWBC 030731
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
330 AM EDT THU OCT 03 2024
VALID 12Z THU OCT 03 2024 - 12Z SAT OCT 05 2024
...SHOWERS AND THUNDERSTORMS RETURN TO THE GULF COAST FROM
THURSDAY EVENING INTO SATURDAY...
...RAIN DEVELOPS OVER THE PACIFIC NORTHWEST AND SCATTERED SHOWERS
OVER PARTS OF THE MIDWEST, CENTRAL/SOUTHERN APPALACHIANS, AND
NORTHEAST...
...THERE ARE EXCESSIVE HEAT WARNINGS AND HEAT ADVISORIES OVER
PARTS OF SOUTHERN CALIFORNIA AND THE SOUTHWEST...
ON THURSDAY, TROPICAL MOISTURE WILL START TO BUILD OVER THE
CENTRAL/EASTERN GULF COAST AND FLORIDA. UPPER-LEVEL ENERGY OVER
THE WESTERN GULF COAST AND NORTHERN GULF OF MEXICO WILL MOVE INTO
PARTS OF THE SOUTHEAST AND CENTRAL GULF COAST, PRODUCING SHOWERS
AND THUNDERSTORMS OVER PARTS OF THE GULF COAST FROM THURSDAY
EVENING INTO SATURDAY. IN ADDITION, SHOWERS AND THUNDERSTORMS WILL
DEVELOP OVER PARTS OF FLORIDA THROUGH SATURDAY. FURTHERMORE, THE
MOISTURE WILL ALSO BUILD OVER THE CENTRAL/SOUTHERN APPALACHIANS,
AS UPPER-LEVEL ENERGY MOVES OVER THE AREA, SHOWERS AND
THUNDERSTORMS WILL DEVELOP FROM THURSDAY AFTERNOON INTO FRIDAY
EVENING.
MEANWHILE, A FRONT EXTENDING FROM THE UPPER GREAT LAKES TO PARTS
OF THE CENTRAL PLAINS WILL MOVE EASTWARD TO JUST OFF THE NORTHEAST
AND MID-ATLANTIC COAST BY SATURDAY. THE BOUNDARY WILL PRODUCE RAIN
WITH EMBEDDED THUNDERSTORMS OVER PARTS OF THE MIDDLE MISSISSIPPI
VALLEY ON FRIDAY MORNING INTO THE EARLY AFTERNOON. AS THE FRONT
MOVES INTO THE NORTHEAST AND MID-ATLANTIC, SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE REGION LATE FRIDAY
EVENING INTO SATURDAY.
IN ADDITION, ON FRIDAY MORNING, A SECOND FRONT WILL MOVE ONSHORE
OVER THE PACIFIC NORTHWEST, MOVING TO THE NORTHERN PLAINS BY
SATURDAY. THE SYSTEM WILL PRODUCE RAIN OVER PARTS OF THE PACIFIC
NORTHWEST FROM FRIDAY INTO LATE FRIDAY EVENING. OVERNIGHT FRIDAY,
WET SNOW WILL DEVELOP OVER THE HIGHEST ELEVATIONS OF THE CASCADES.
THE RAIN WILL EXPAND INTO THE NORTHERN INTERMOUNTAIN REGION FRIDAY
EVENING INTO SATURDAY.
MOREOVER, THE UPPER-LEVEL RIDGE OVER THE FOUR CORNERS REGION WILL
CREATE HIGH TEMPERATURES OVER SOUTHERN CALIFORNIA AND THE
SOUTHWEST, RANGING FROM THE UPPER 90S TO 110S. LOW TEMPERATURES
WILL BE IN THE UPPER 80S TO LOW 90S, PROVIDING LITTLE RELIEF FROM
THE HEAT OVERNIGHT. THE TEMPERATURES HAVE PROMPTED EXCESSIVE HEAT
WARNINGS AND HEAT ADVISORIES OVER PARTS OF SOUTHERN CALIFORNIA AND
THE SOUTHWEST.
RECORD-BREAKING HEAT IS EXPECTED ACROSS PORTIONS OF THE SOUTHWEST
THIS WEEK. MODERATE TO MAJOR HEAT IMPACTS ARE POSSIBLE IN AREAS
NEAR SAN FRANCISCO, LAS VEGAS, AND LOS ANGELES. EXTREME HEAT RISK
IMPACTS ARE FORECAST FOR PARTS OF THE SOUTHWEST. REMEMBER, HEAT IS
THE DEADLIEST WEATHER PHENOMENON IN THE U.S.! PEOPLE SPENDING MORE
TIME OUTDOORS OR IN A BUILDING WITHOUT COOLING ARE AT AN INCREASED
RISK OF HEAT-RELATED ILLNESS. VISIT WWW.WEATHER.GOV/SAFETY/HEAT
AND CHECK LOCAL MEDIA AND GOVERNMENT WEBSITES FOR INFORMATION ON
COOLING CENTERS.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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