461
FNUS85 KVEF 172152
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
252 PM PDT WED SEP 17 2025
#####################################################################
## ##
## DISCUSSIONS FROM THE LATEST FWF BELOW ##
## ##
#####################################################################
..DISCUSSION FROM RNOFWFVEF
TROPICAL MOISTURE WILL MOVE INTO THE REGION THURSDAY AND FRIDAY. THE
GREATEST POTENTIAL FOR SHOWERS AND THUNDERSTORMS ON THURSDAY IS IN
SAN BERNARDINO COUNTY, WHERE HEAVY DOWNPOURS AND GUSTY OUTFLOW
WINDS ARE POSSIBLE. CHANCES BECOME MORE WIDESPREAD IN SOUTHERN
NEVADA AND NORTHWESTERN ARIZONA ON THURSDAY NIGHT AND FRIDAY.
CONDITIONS DRY OUT OVER THE WEEKEND AND TEMPERATURES INCREASE NEXT
WEEK.
..DISCUSSION FROM LAXFWFSGX
TROPICAL MOISTURE WILL BRING INCREASED CHANCES FOR SHOWERS AND
THUNDERSTORMS ACROSS THE REGION THROUGH FRIDAY. ISOLATED
THUNDERSTORMS WILL CONTINUE THIS AFTERNOON ACROSS THE MOUNTAINS IN
SAN DIEGO COUNTY. THE MOUNTAINS AND DESERTS WILL SEE THE GREATEST
CHANCE FOR THE HEAVIEST RAIN AND LOCALIZED FLOODING THURSDAY INTO
THURSDAY NIGHT. CHANCES FOR WETTING RAINFALL ON THURSDAY THIS
AFTERNOON IN THE SOUTHERN MOUNTAINS WILL BE NEAR 25-40 PERCENT. THIS
WILL INCREASE ON THURSDAY TO 30 TO 50 PERCENT FOR THE WESTERN
VALLEYS TO 60 TO 75 PERCENT FOR THE MOUNTAINS AND DESERTS. THERE
WILL BE DECREASING CHANCES FOR THUNDERSTORMS ON FRIDAY AND
SATURDAY, MAINLY CONFINED TO THE MOUNTAINS AND DESERTS. THERE WILL
BE A WARMING AND GRADUAL DRYING BY EARLY NEXT WEEK.
..DISCUSSION FROM PHXFWFPSR
ABOVE AVERAGE TEMPERATURES WILL CONTINUE TODAY BEFORE COOLING OFF A
FEW DEGREES BELOW NORMAL ON THURSDAY AND FRIDAY WITH INCREASED
CLOUD COVER AND RAIN CHANCES. ISOLATED SHOWERS AND STORMS HAVE
ALREADY POPPED UP OVER THE WESTERN DISTRICTS THIS AFTERNOON CHANCES
WILL PEAK AREAWIDE TOMORROW, WITH THE BEST CHANCES ACROSS SE CA.
CHANCES OF WETTING RAINS ON THURSDAY RANGE FROM 60-70% OVER THE
WESTERN DISTRICTS TO 20-30% OVER EASTERN DISTRICTS. MINRHS WILL
CONTINUE TO IMPROVE MOSTLY STAYING ABOVE 25-30% INTO SATURDAY.
OUTSIDE OF ANY STORMS, WINDS WILL REMAIN LIGHT OVER THE NEXT FEW
DAYS WITH DIRECTIONS MOSTLY FOLLOWING DIURNAL TRENDS.
#####################################################################
## ##
## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ##
## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ##
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ##
## ##
#####################################################################
ECC027-181600-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
252 PM PDT WED SEP 17 2025
TROPICAL MOISTURE WILL MOVE INTO THE REGION THURSDAY AND FRIDAY.
THUNDERSTORMS ARE POSSIBLE ACROSS MOST OF SAN BERNARDINO COUNTY
THURSDAY THROUGH FRIDAY, CAPABLE OF PRODUCING HEAVY DOWNPOURS AND
GUSTY OUTFLOW WINDS. CONDITIONS DRY OUT OVER THE WEEKEND AND
TEMPERATURES INCREASE NEXT WEEK.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page