326
FNUS85 KVEF 180939
FWLVEF

ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
239 AM PDT THU SEP 18 2025

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##            DISCUSSIONS FROM THE LATEST FWF BELOW                ##
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...DISCUSSION FROM RNOFWFVEF...

TROPICAL MOISTURE WILL BRING CHANCES FOR SHOWERS AND THUNDERSTORMS
TODAY AND FRIDAY, WITH SLIGHT CHANCES LINGERING THROUGH THE WEEKEND.


...DISCUSSION FROM LAXFWFSGX...


MOISTURE FROM THE REMNANTS OF TROPICAL STORM MARIO WILL PEAK  TODAY,
THEN DECREASE INTO THE WEEKEND. SHOWERS AND SCATTERED  THUNDERSTORMS
WILL MOVE NORTHWARD ACROSS THE AREA TODAY WITH THE  MOUNTAINS AND
DESERTS THE MOST LIKELY LOCATIONS FOR HEAVIER  RAINFALL WITH THE
MOST LIKELY TIME FOR THE HEAVIER RAINFALL FROM  LATE MORNING THROUGH
EARLY EVENING. CHANCES FOR WETTING RAINFALL  ARE GREATEST FOR THE
MOUNTAINS TODAY AT AROUND 90 PERCENT. THERE  WILL BE GRADUAL DRYING
AND WARMING FOR FRIDAY AND SATURDAY. FOR  EARLY NEXT WEEK, THERE IS
GREATER UNCERTAINTY WITH THE PLACEMENT  OF LOW PRESSURE TO THE
NORTHWEST AND HIGH PRESSURE TO THE  SOUTHEAST AND THE RESULTING
TEMPERATURES AND THE POTENTIAL FOR  TROPICAL MOISTURE FROM THE
SOUTHWEST TO MOVE INTO THE AREA.


...DISCUSSION FROM PHXFWFPSR...


ABUNDANT MOISTURE WITH A WEATHER SYSTEM RESIDING ACROSS WESTERN
PORTIONS OF THE REGION TODAY WILL HELP TO BRING FAIRLY WIDESPREAD
SHOWERS AND THUNDERSTORMS. BEST CHANCES WILL BE ACROSS SOUTHEAST
CALIFORNIA AND SOUTHWEST ARIZONA WHERE A FLOOD WATCH WILL BE IN
EFFECT FOR MUCH OF TODAY. RAIN CHANCES WILL CONTINUE INTO FRIDAY,
BUT MAINLY ACROSS THE ARIZONA HIGHER TERRAIN. HUMIDITIES WILL BE
ELEVATED OVER THE NEXT COUPLE OF DAYS WITH MINRHS MOSTLY BETWEEN
30-40% BEFORE GRADUALLY LOWERING CLOSER TO 20% BY SUNDAY. OUTSIDE
OF ANY STORMS, WINDS WILL REMAIN LIGHT OVER THE NEXT FEW DAYS WITH
DIRECTIONS MOSTLY FOLLOWING DIURNAL TRENDS.


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##      AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE     ##
##      THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST              ##
##      WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF       ##
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ECC027-190345-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
239 AM PDT THU SEP 18 2025

TROPICAL MOISTURE WILL BRING CHANCES FOR SHOWERS AND THUNDERSTORMS
TO THE DISTRICT TODAY. CHANCES WILL DECREASE ON FRIDAY, WITH SLIGHT
CHANCES LINGERING THROUGH THE WEEKEND.

$$