507
FXUS01 KWBC 250824
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
400 AM EDT THU JUL 25 2024
VALID 12Z THU JUL 25 2024 - 12Z SAT JUL 27 2024
...ANOTHER DAY OF MAJOR TO LOCALLY EXTREME HEAT RISK ACROSS THE
NORTHERN HIGH PLAINS BEFORE COOLER AIR ARRIVES BEHIND A COLD
FRONT...
...EXCESSIVE RAINFALL IS FORECAST FOR THE TEXAS COAST THROUGH
TONIGHT WITH MORE SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE
SOUTHERN TIER STATES TO THE EAST COAST...
...MONSOONAL THUNDERSTORMS CONTINUE ACROSS THE GREAT BASIN AND
INTO THE FOUR CORNERS REGION WITH THREATS OF LOCALIZED FLASH
FLOODING WHILE FIRE WEATHER DANGER EMERGES OVER THE INTERIOR
NORTHWEST...
A SLOW-TO-EVOLVE SUMMERTIME WEATHER PATTERN WILL CONTINUE ACROSS
MUCH OF THE U.S. MAINLAND WHILE A MORE PROGRESSIVE PACIFIC COLD
FRONT SWEEPS ACROSS THE NORTHWESTERN PART OF THE COUNTRY THROUGH
THE NEXT COUPLE OF DAYS. UNDER THIS WEATHER PATTERN, UNSETTLED
WEATHER AND RELATIVELY COOL TEMPERATURES FOR JULY WILL CONTINUE
ACROSS THE SOUTH AS WELL AS THE GREAT LAKES. THE STRONGER FORCING
ASSOCIATED WITH THE PACIFIC FRONT WILL PUSH THE HEAT DOME INTO THE
NORTHERN HIGH PLAINS TODAY BEHIND A WARM FRONT, RESULTING IN
ANOTHER DAY OF MAJOR TO LOCALLY EXTREME HEAT RISK FOR THE REGION.
HIGH TEMPERATURES WILL ONCE AGAIN REACH WELL UP INTO THE 100S WITH
LITTLE TO NO RAINFALL EXPECTED. MEANWHILE, THE HEAT WILL CONTINUE
TO BECOME LESS INTENSE OVER THE CENTRAL VALLEY OF CALIFORNIA AND
THE DESERT SOUTHWEST. SOME OF THE HOT AIR OVER THE NORTHERN
PLAINS WILL BE PUSHED INTO THE UPPER MIDWEST BY THE WEEKEND WITH
HIGHS REACHING INTO THE 80S AND 90S. PLEASE CONTINUE TO PRACTICE
HEAT SAFETY BEFORE COOLER AIR ARRIVES BEHIND THE COLD FRONT.
THE PACIFIC COLD FRONT CURRENTLY MAKING ITS WAY THROUGH THE
NORTHERN ROCKIES INTO THE HIGH PLAINS WILL GRADUALLY BECOME NEARLY
STATIONARY THROUGH THE NEXT COUPLE OF DAYS. LIGHTNING ASSOCIATED
WITH DRY THUNDERSTORMS TRIGGERED BY THE PASSAGE OF THE COLD FRONT
WILL RAISE FIRE DANGER CONCERNS OVER THE INTERIOR NORTHWESTERN
U.S. INTO THE NORTHERN HIGH PLAINS. FARTHER SOUTH, MONSOONAL
THUNDERSTORMS ACROSS THE GREAT BASIN TODAY WILL SHIFT FARTHER
EASTWARD INTO THE FOUR CORNERS AND AS FAR NORTH AS WYOMING THROUGH
THE NEXT COUPLE OF DAYS.
IN CONTRAST TO THE HEAT IN THE WEST, COOLER THAN NORMAL
TEMPERATURES WILL PREVAIL ACROSS THE MID-SECTION OF THE COUNTRY
AND PORTIONS OF THE EASTERN U.S. WHERE A STALLED FRONT WILL KEEP
PLENTY OF CLOUDS ALONG WITH SCATTERED THUNDERSTORMS. IT APPEARS
THAT COASTAL SECTIONS OF TEXAS WILL SEE THE HIGHEST CHANCE OF
RECEIVING HEAVY RAINFALL TODAY INTO TONIGHT AS SOME INFLUX OF
TROPICAL MOISTURE FROM THE GULF OF MEXICO COULD INTERACT WITH THE
WEAK FRONT UNDER A BROAD UPPER-LEVEL SOUTHWESTERLY FLOW AHEAD OF A
TROUGH. A MODERATE RISK OF EXCESSIVE RAINFALL REMAINS IN PLACE
FROM THE MID AND UPPER TEXAS COAST TO SOUTHWESTERN LOUISIANA
THROUGH TONIGHT. THUNDERSTORMS ACROSS OTHER AREAS OF THE SOUTHERN
TIER STATES ARE NOT EXPECTED TO BE SEVERE, BUT THEY COULD RESULT
IN LOCALIZED FLOODING ISSUES FROM TIME TO TIME. THE SAME IS TRUE
ALONG THE EAST COAST WITH A SLIGHT RISK OF EXCESSIVE RAINFALL OVER
PORTIONS OF THE CAROLINAS THROUGH FRIDAY NIGHT WHERE STORMS ARE
EXPECTED TO BE MORE NUMEROUS. MEANWHILE, SHOWERS AND A FEW
EMBEDDED THUNDERSTORMS TODAY ACROSS NEW ENGLAND WILL CLEAR OUT BY
FRIDAY AS A LOW PRESSURE WAVE MOVES AWAY INTO EASTERN CANADA.
KONG
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