815
FXUS01 KWBC 090801
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
400 AM EDT THU JUL 09 2026
VALID 12Z THU JUL 09 2026 - 12Z SAT JUL 11 2026
...THERE IS A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER
PARTS OF THE MID-ATLANTIC, OHIO VALLEY/MIDDLE MISSISSIPPI VALLEY,
AND NORTHERN/CENTRAL HIGH PLAINS ON THURSDAY...
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE MID-ATLANTIC/CENTRAL APPALACHIANS, OHIO VALLEY/MIDDLE
MISSISSIPPI VALLEY/GREAT LAKES AND CENTRAL HIGH PLAINS ON
THURSDAY...
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE CENTRAL APPALACHIANS, OHIO VALLEY/MIDDLE MISSISSIPPI
VALLEY ON FRIDAY...
ACROSS THE SOUTHEAST, HOT AND HUMID CONDITIONS WILL PERSIST AND
LIKELY INTENSIFY THROUGH MIDWEEK. ABOVE-NORMAL TEMPERATURES, HIGH
HUMIDITY, AND WARM OVERNIGHT LOWS WILL CONTINUE TO INCREASE THE
RISK OF HEAT-RELATED ILLNESSES, ESPECIALLY FOR THOSE WITHOUT
ACCESS TO ADEQUATE COOLING OR HYDRATION. TEMPERATURES WILL ALSO
REMAIN ABOVE NORMAL ACROSS PORTIONS OF THE SOUTHWEST,
CENTRAL/NORTHERN ROCKIES, WHERE EXTREME HEAT WATCHES ARE POSTED
ACROSS PARTS OF EASTERN MONTANA, MOST OF UTAH, AND WESTERN
COLORADO STARTING ON FRIDAY. FURTHERMORE, EXCESSIVE HEAT WARNINGS
REMAIN IN EFFECT ACROSS PARTS OF ARIZONA, SOUTHERN CALIFORNIA, AND
SOUTHWESTERN UTAH.
A FRONT EXTENDING FROM THE GREAT LAKES TO THE CENTRAL PLAINS AND
THEN NORTHWESTWARD TO THE NORTHERN HIGH PLAINS WILL SLOWLY SINK
SOUTH AND EASTWARD TO THE MID-ATLANTIC, TO THE OHIO VALLEY, AND TO
THE CENTRAL PLAINS BY SATURDAY MORNING. THE BOUNDARY AND
UPPER-LEVEL ENERGY WILL PRODUCE SHOWERS AND SEVERE THUNDERSTORMS
OVER THE MID-ATLANTIC, OHIO VALLEY/MIDDLE MISSISSIPPI VALLEY, AND
NORTHERN/CENTRAL HIGH PLAINS. THEREFORE, THE SPC HAS ISSUED THREE
AREAS OF A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER
PARTS OF THE MID-ATLANTIC, OHIO VALLEY/MIDDLE MISSISSIPPI VALLEY,
AND NORTHERN/CENTRAL HIGH PLAINS THROUGH FRIDAY MORNING. THE
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING
AND SEVERE THUNDERSTORM WIND GUSTS OVER THE MID-ATLANTIC. WHILE
FREQUENT LIGHTNING AND SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A
FEW TORNADOES OCCURRED OVER THE OHIO VALLEY/MIDDLE MISSISSIPPI
VALLEY. ALSO, FREQUENT LIGHTNING AND SEVERE THUNDERSTORM WIND
GUSTS, HAIL WILL BE OVER PARTS OF THE NORTHERN/CENTRAL HIGH PLAINS.
HEAVY RAIN ASSOCIATED WITH THE SHOWERS AND THUNDERSTORMS WILL
PRODUCE HEAVY RAIN OVER PARTS OF THE MID-ATLANTIC UPPER/MIDDLE
MISSISSIPPI VALLEY TO THE CENTRAL PLAINS THROUGH THURSDAY MORNING.
THE WPC HAS ISSUED THREE AREAS OF A SLIGHT RISK (LEVEL 2/4) OF
EXCESSIVE RAINFALL OVER PARTS OF THE MID-ATLANTIC/CENTRAL
APPALACHIANS, THE OHIO VALLEY/MIDDLE MISSISSIPPI VALLEY, AND THE
CENTRAL PLAINS ON THURSDAY. THE ASSOCIATED HEAVY RAIN WILL CREATE
MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS,
SMALL STREAMS, AND LOW-LYING AREAS BEING THE MOST VULNERABLE. IN
ADDITION, SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
OVER MOST OF THE LOWER FORTY-EIGHT STATES EAST OF THE ROCKIES.
ON FRIDAY, AS THE FRONT SAGS SOUTHWARD, SHOWERS AND THUNDERSTORMS
WILL DEVELOP OVER PARTS OF THE CENTRAL APPALACHIANS /OHIO
VALLEY/MIDDLE MISSISSIPPI VALLEY, PRODUCING HEAVY RAIN.
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF
EXCESSIVE RAINFALL OVER PARTS OF THE CENTRAL APPALACHIANS /OHIO
VALLEY/MIDDLE MISSISSIPPI VALLEY FROM FRIDAY THROUGH SATURDAY
MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE
FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A
FEW TORNADOES.
ELSEWHERE, AN INFLUX OF MOISTURE OVER THE SOUTHWEST, THE GREAT
BASIN, AND THE SOUTHERN ROCKIES WILL TRIGGER SHOWERS AND
THUNDERSTORMS FROM LATE AFTERNOON INTO THE LATE EVENING ON
THURSDAY AND FRIDAY. ADDITIONALLY, A SECOND FRONT EXTENDING FROM
THE NORTHERN PLAINS/NORTHERN HIGH PLAINS TO THE NORTHERN
INTERMOUNTAIN REGION WILL PRODUCE SHOWERS AND THUNDERSTORMS OVER
THE NORTHERN PLAINS, UPPER MIDWEST FROM THURSDAY THROUGH FRIDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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