009
FXUS01 KWBC 031952
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
351 PM EDT MON JUL 03 2023
VALID 00Z TUE JUL 04 2023 - 00Z THU JUL 06 2023
...WELL ABOVE-NORMAL TO RECORD-BREAKING HEAT EXPECTED FOR PORTIONS
OF THE NORTHWEST...
...STRONG TO SEVERE STORMS LIKELY FOR PORTIONS OF THE NORTHERN TO
CENTRAL PLAINS AND THE MIDWEST...
...UNSETTLED WEATHER, INCLUDING STRONG TO SEVERE STORMS, EXPECTED
FROM PARTS OF THE MID ATLANTIC AND SOUTHEAST INTO THE SOUTHERN
PLAINS...
IN THE WEST, TEMPERATURES ARE EXPECTED TO REMAIN ABOVE NORMAL
ALONG MUCH OF THE WEST COAST INTO THE SOUTHWESTERN U.S., WITH
RECORD-BREAKING TEMPERATURES FORECAST FOR PORTIONS OF WESTERN
OREGON ON TUESDAY. WITH TEMPERATURES LIKELY TO CLIMB TO THEIR
HIGHEST OF THE SEASON SO FAR, HEAT ADVISORIES ARE IN EFFECT FOR
PORTIONS OF WESTERN OREGON AND THE INTERIOR COUNTIES OF FAR
NORTHERN CALIFORNIA. WITH ANOTHER DAY OF TEMPERATURES CLIMBING
WELL IN EXCESS OF 110F, EXCESSIVE HEAT WARNINGS ARE SCHEDULED TO
REMAIN IN EFFECT THROUGH TUESDAY ACROSS THE LOWER DESERTS OF
ARIZONA AND SOUTHEASTERN CALIFORNIA.
OVER THE CENTRAL U.S., A STRONG COLD FRONT IS FORECAST TO PUSH
SOUTH AND EAST ACROSS THE NORTHERN PLAINS AND UPPER MIDWEST.
STRONG TO SEVERE STORMS ARE EXPECTED TO DEVELOP NEAR THE FRONT,
WITH DAMAGING WIND AND LARGE HAIL POSSIBLE THIS EVENING,
ESPECIALLY FOR AREAS EAST OF THE BIG HORN MOUNTAINS THROUGH SOUTH
DAKOTA. THE FOCUS FOR SEVERE STORMS IS FORECAST TO SHIFT FARTHER
SOUTH AND EAST, EXTENDING FROM THE UPPER MISSISSIPPI VALLEY TO THE
CENTRAL HIGH PLAINS ON TUESDAY. SCATTERED SEVERE THUNDERSTORMS,
PRODUCING DAMAGING WINDS, CAN BE EXPECTED ACROSS THIS REGION. BY
WEDNESDAY, THE FRONT AND THE FOCUS FOR SHOWERS AND STORMS WILL
SLIDE FARTHER SOUTH AND EAST INTO THE CENTRAL PLAINS AND MID
MISSISSIPPI VALLEY. HEAVY RAINFALL WITH ISOLATED INSTANCES OF
FLASH FLOODING ARE POSSIBLE WITH THESE STORMS THROUGH THE PERIOD
AS WELL.
BEHIND THE FRONT, MUCH COOLER AIR WILL SPREAD FROM THE NORTHERN
HIGH PLAINS ON TUESDAY THROUGH THE REMAINDER OF THE NORTHERN
PLAINS AND INTO THE CENTRAL HIGH PLAINS ON WEDNESDAY. DAYTIME
HIGHS OF 15-20 DEGREES BELOW NORMAL CAN BE EXPECTED FOR PARTS OF
THE REGION.
SEASONAL TO ABOVE-AVERAGE TEMPERATURES WILL CONTINUE ACROSS THE
SOUTHERN PLAINS AND THROUGH MUCH OF THE EASTERN U.S. SHOWERS AND
STORMS DEVELOPING AHEAD OF A SLOW-MOVING FRONT EXTENDING FROM THE
NORTHEAST BACK INTO THE SOUTHERN PLAINS ARE LIKELY TO CONTINUE
INTO THIS EVENING. SOME OF THESE STORMS ARE EXPECTED TO BECOME
STRONG TO SEVERE, WITH DAMAGING WINDS LIKELY ACROSS PARTS OF THE
MID ATLANTIC STATES THROUGH THE EARLY EVENING HOURS. SHOWERS AND
THUNDERSTORMS ARE FORECAST TO DEVELOP ONCE AGAIN ALONG THE FRONT
AS IT DRIFTS SLOWLY ACROSS THE REGION ON TUESDAY.
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