372
FXUS01 KWBC 291738
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
138 PM EDT THU MAY 29 2025
VALID 00Z FRI MAY 30 2025 - 00Z SUN JUN 01 2025
..DANGEROUS HEAT EXPECTED IN THE SOUTHWEST FRIDAY AND SATURDAY
...EXCESSIVE RAINFALL IS CONSTRAINED TO THE SOUTHERN AND EASTERN
PORTIONS OF THE COUNTRY THROUGH SATURDAY...
THE GENERAL FLOW PATTERN FEATURES A DEEPENING UPPER LEVEL TROUGH
IN THE EAST WHERE TEMPERATURES WILL REMAIN MILD/BECOME
INCREASINGLY BELOW AVERAGE FOR MOST AREAS, WHILE RIDGING BUILDS
ACROSS THE WEST AND INTO THE NORTHERN PLAINS, BRINGING INCREASING
HEAT/ABOVE AVERAGE TEMPERATURES WITH TIME. RECORD HIGH
TEMPERATURES WILL BE THREATENED IN AND NEAR NORTHERN CALIFORNIA ON
FRIDAY AND FROM CALIFORNIA NORTHWARD THROUGH PORTIONS OF NEVADA,
OREGON, IDAHO, AND WESTERN MONTANA ON SATURDAY. THE ANTICIPATED
HEAT IN THE SOUTHWEST ON FRIDAY AND SATURDAY HAS LED TO THE
ISSUANCE OF EXTREME HEAT WARNINGS FOR THE DANGEROUS HEAT FOR
PORTIONS OF SOUTHERNMOST NEVADA, SOUTHEAST CALIFORNIA, AND
NORTHWESTERN MOST ARIZONA. DRINKING PLENTY OF WATER, WEARING
LIGHT COLORED CLOTHING, AND STAYING IN AIR CONDITIONED AREAS IS
ADVISED AS TEMPERATURES SOAR AS HIGH AS THE MID 110S FAHRENHEIT IN
LOWER DESERT LOCATIONS LIKE DEATH VALLEY, CALIFORNIA.
OTHERWISE, WAVES OF LOW PRESSURE WILL MOVE ALONG A FRONT, EXPECTED
TO PUSH SOUTHWARD THROUGH THROUGH TEXAS INTO NORTHERN MEXICO AND
EASTWARD FROM THE SOUTHERN PLAINS THROUGH THE MID-SOUTH,
SOUTHEAST, AND MID-ATLANTIC STATES AS AN INCREASINGLY DOMINANT AND
VERY STRONG CYCLONE FOR LATE MAY STRENGTHENS WHILE MOVING FROM THE
MID-ATLANTIC STATES THROUGH NEW ENGLAND FRIDAY AND SATURDAY. THE
EXCESSIVE RAINFALL/FLASH FLOODING RISK IS HIGHEST ACROSS THE
SOUTHERN PLAINS AND SOUTHEAST THURSDAY EVENING/NIGHT, FROM
KENTUCKY ACROSS WEST VIRGINIA AND MARYLAND ON FRIDAY, AND ACROSS
NORTHERN NEW ENGLAND SATURDAY. THE SEVERE WEATHER RISK IS
EXPECTED TO BE HIGHEST IN AND NEAR NORTHWEST TEXAS THURSDAY
EVENING, THE SOUTHEAST THURSDAY EVENING AND FRIDAY, AND THE
MID-ATLANTIC STATES ON SATURDAY, WITH A GENERALLY DECREASING
SEVERE WEATHER RISK BY THE DAY.
ROTH
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