647
FXUS01 KWBC 300622
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
221 AM EDT SUN AUG 30 2026
VALID 12Z SUN AUG 30 2026 - 12Z TUE SEP 01 2026
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE SOUTHWEST, GREAT BASIN, AND CENTRAL ROCKIES THROUGH
MONDAY...
MONSOONAL MOISTURE WILL PRODUCE SHOWERS AND THUNDERSTORMS WITH
HEAVY RAIN OVER PARTS OF THE SOUTHWEST, GREAT BASIN, AND CENTRAL
ROCKIES THROUGH MONDAY. THEREFORE, THE WPC HAS ISSUED A SLIGHT
RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE
SOUTHWEST, GREAT BASIN, AND CENTRAL ROCKIES ON SUNDAY AND MONDAY.
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.
A QUASI-STATIONARY FRONT FROM THE NORTH CAROLINA COAST
SOUTHWESTWARD TO THE LOWER MISSISSIPPI VALLEY WILL SLOWLY
DISSIPATE FROM WEST TO EAST TO THE NORTH CAROLINA COAST BY LATE
SUNDAY MORNING. NEAR AND SOUTH OF THE FRONT, SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER THE SOUTHERN MID-ATLANTIC TO THE
SOUTHEAST AND CENTRAL/EASTERN GULF COAST THROUGH SUNDAY EVENING.
FROM SUNDAY NIGHT TO TUESDAY MORNING, SHOWERS AND THUNDERSTORMS
WILL DEVELOP OVER THE CENTRAL/EASTERN GULF COAST AND INTO PARTS OF
THE WESTERN GULF COAST.
SHOWERS AND THUNDERSTORMS WILL ALSO DEVELOP OVER THE NORTHERN HIGH
PLAINS AND INTO THE NORTHERN PLAINS THROUGH EARLY MONDAY MORNING.
ADDITIONALLY, SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND
NEAR A WARM FRONT EXTENDING FROM THE GREAT LAKES INTO PARTS OF THE
NORTHEAST AND MID-ATLANTIC FROM MONDAY THROUGH TUESDAY. LASTLY,
SCATTERED RAIN WILL DEVELOP OVER PARTS OF THE NORTHWEST COAST ON
EARLY TUESDAY MORNING.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
EXTREME HEAT KEY MESSAGES AVAILABLE AT:
HTTPS://WWW.WPC.NCEP.NOAA.GOV/KEY_MESSAGES/LATESTKEYMESSAGE_1.PNG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page