463
FXUS01 KWBC 080800
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
359 AM EDT FRI SEP 08 2023
VALID 12Z FRI SEP 08 2023 - 12Z SUN SEP 10 2023
...SEVERE STORMS POSSIBLE TODAY ACROSS PORTIONS OF THE NORTHEAST,
MID ATLANTIC, AND FROM THE RED RIVER TO THE UPPER TEXAS AND
LOUISIANA COASTS ...
...DANGEROUS HEAT CONTINUES ACROSS PARTS OF THE NORTHEAST,
SOUTH-CENTRAL U.S., AND THE SOUTHWEST...
...INCREASING CHANCE FOR HEAVY RAIN ACROSS PORTIONS OF THE
SOUTHEAST ON SATURDAY...
A COLD FRONT WILL CONTINUE TO ADVANCE SLOWLY EAST ACROSS THE
EASTERN U.S., FOCUSING ROUNDS OF SHOWERS AND THUNDERSTORMS THROUGH
THE PERIOD. STORMS THAT DEVELOP ACROSS THE NORTHEAST AND MID
ATLANTIC TODAY MAY BECOME SEVERE, WITH HAIL AND DAMAGING WINDS
POSSIBLE. IN ADDITION TO THE SEVERE WEATHER THREAT, SOME AREAS
MAY SEE LOCALLY HEAVY RAINFALL AMOUNTS, WITH ISOLATED FLASH
FLOODING POSSIBLE. ALBEIT A FEW DEGREES COOLER FROM PREVIOUS
DAYS, TEMPERATURES WILL REMAIN UNSEASONABLY WARM AHEAD OF THE
FRONT. HEAT ADVISORIES REMAIN IN EFFECT TODAY FOR PORTIONS OF THE
NORTHEAST, INCLUDING THE NEW YORK CITY METRO AND PARTS OF SOUTHERN
NEW ENGLAND, WHERE HEAT INDICES WILL ONCE AGAIN CLIMB WELL INTO
THE 90S.
THE FRONT IS EXPECTED TO MAKE LITTLE FORWARD PROGRESS INTO THE
WEEKEND. WHILE THE POTENTIAL FOR STRONG TO SEVERE STORMS IS
EXPECTED TO DIMINISH, THE THREAT FOR HEAVY RAINFALL IS FORECAST TO
INCREASE FOR SOME AREAS, ESPECIALLY FOR THE SOUTHERN APPALACHIANS
AND PIEDMONT, AS A SLOW-MOVING UPPER DISTURBANCE INTERACTS WITH
MOISTURE ALONG AND AHEAD OF THE FRONT.
FARTHER TO THE WEST, STORMS DEVELOPING THIS MORNING ACROSS EASTERN
KANSAS AND OKLAHOMA INTO THE OZARK REGION ARE EXPECTED TO DROP
SOUTH, WITH SOME INTENSIFICATION POSSIBLE AS THIS ACTIVITY MOVES
TOWARD THE GULF COAST LATER TODAY. ADDITIONAL STORMS MAY DEVELOP
NEAR THE RED RIVER AND TRACK SOUTH ACROSS EASTERN TEXAS LATER
TODAY AS WELL. STORMS THAT DEVELOP ACROSS THIS AREA WILL HAVE TO
THE POTENTIAL TO PRODUCE HAIL AND DAMAGING WINDS.
NEAR AND WEST OF THIS ACTIVITY, AN UPPER-LEVEL HIGH WILL PERSIST,
SUPPORTING WELL-ABOVE NORMAL TEMPERATURES ACROSS MUCH OF THE
SOUTH-CENTRAL U.S. TODAY AND RECORD-BREAKING HEAT ACROSS MUCH OF
TEXAS TODAY AND INTO THE WEEKEND. EXCESSIVE HEAT WARNINGS AND
HEAT ADVISORIES COVER MUCH OF TEXAS AND PORTIONS OF OKLAHOMA AND
LOUISIANA, WHERE HEAT INDICES MAY REACH ABOVE 110F IN SOME
LOCATIONS.
PORTIONS OF THE SOUTHWEST WILL REMAIN HOT AS WELL, WITH
TEMPERATURES EXPECTED TO CLIMB A FEW DEGREES FURTHER AS THE UPPER
HIGH SHIFTS FARTHER WEST OVER THE WEEKEND. AN EXCESSIVE HEAT
WARNING HAS BEEN ISSUED THIS WEEKEND FOR PORTIONS OF SOUTHERN
ARIZONA AND SOUTHERN CALIFORNIA, WHERE TEMPERATURES IN THE LOWER
DESERTS MAY CLIMB INTO THE 110S.
FARTHER TO THE NORTH, A SYSTEM WILL BRING SHOWERS AND STORMS
FOLLOWED BY COOLER WEATHER AS IT MOVES FROM THE NORTHERN ROCKIES
INTO THE HIGH PLAINS TODAY AND THE NORTHERN TO CENTRAL
PLAINS/UPPER MIDWEST ON SATURDAY.
PEREIRA
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page