088
FNUS85 KVEF 161128
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
428 AM PDT WED SEP 16 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
ISOLATED-TO-SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED ACROSS
MOHAVE AND EASTERN LINCOLN COUNTIES THIS AFTERNOON INTO THURSDAY
MORNING. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS FORMING FURTHER
WEST ACROSS SAN BERNARDINO, CLARK, AND NYE COUNTIES, BUT
CONFIDENCE IS LOW. WITH THUNDERSTORMS THAT FORM OVER MOHAVE AND
EASTERN LINCOLN COUNTIES, EXPECT WETTING RAIN AND FREQUENT
LIGHTNING. OTHERWISE, DRY CONDITIONS CONTINUE WEST OF INTERSTATE
15 WITH AFTERNOON RELATIVE HUMIDITIES IN THE UPPER- SINGLE-DIGITS
TO LOW- TEENS AND GUSTY SOUTH-SOUTHWESTERLY WINDS BETWEEN 25 AND
35 MPH.
..DISCUSSION FROM LAXFWFSGX
HIGH TEMPERATURES WILL REMAIN AS MUCH AS 5 TO 10 DEGREES BELOW
AVERAGE FOR THE MOUNTAINS AND INLAND VALLEYS THROUGH THURSDAY. HIGH
TEMPERATURES WILL WARM A FEW DEGREES EACH FOR FRIDAY AND SATURDAY
AND COOL A FEW DEGREES EACH FOR SUNDAY AND MONDAY. A MARINE LAYER
NEAR 2500 TO 3000 FEET DEEP INTO EARLY THURSDAY WILL BECOME
SHALLOWER FOR THE WEEKEND INTO NEXT WEEK. IT WILL DRIER INLAND FOR
FRIDAY THROUGH THE WEEKEND WITH LOWEST RELATIVE HUMIDITY FOR THE
DESERTS FALLING TO 10 TO 15 PERCENT EACH AFTERNOON, BUT WITH MUCH
WEAKER SOUTHWEST TO WEST WINDS DURING THE AFTERNOON AND EVENING,
MOSTLY GUSTING TO 15 TO 25 MPH FOR SATURDAY AND SUNDAY.
..DISCUSSION FROM PHXFWFPSR
PERIODS OF SCATTERED TO WIDESPREAD SHOWERS AND THUNDERSTORMS ARE
EXPECTED TODAY, FOCUSING MOSTLY ACROSS THE EASTERN DISTRICTS THIS
AFTERNOON THROUGH THIS EVENING. THERE WILL BE A HEAVY RAINFALL
AND FLOOD THREAT WITH THE ACTIVITY. MOISTURE LEVELS WILL BE
ELEVATED MOST AREAS, HIGHEST ACROSS EASTERN DISTRICTS, WHERE
MINIMUM RH THIS AFTERNOON WILL BE AROUND 50-60%. MINIMUM RHS WILL
BE LOWEST ACROSS SOUTHEAST CA, WITH VALUES AROUND 20-30%. A DRYING
TREND WILL BEGIN THURSDAY WHICH WILL LIMIT RAIN CHANCES ALMOST
EXCLUSIVELY TO THE NORTHERN AND EASTERN AZ HIGH TERRAIN IN THE
AFTERNOON. IT WILL TAKE A DAY TO SCOUR OUT THE LOW LEVEL MOISTURE,
SO MINIMUM RHS THURSDAY AFTERNOON WILL STILL BE AROUND 40-50%
ACROSS EASTER DISTRICTS TO 25-35% ACROSS THE WEST. WINDS WILL
FAVOR THE SOUTH TO SOUTHEAST OVER MUCH OF THE AREA THROUGH TODAY
WITH GUSTS OF 20-30 MPH AT TIMES ACROSS SOUTHWEST AZ AND SOUTHEAST
CA. IN THE FOLLOWING DAYS WINDS WILL RETURN TO A MORE TYPICAL
DIURNAL WITH MODEST AFTERNOON UPSLOPE GUSTINESS.
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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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ECC027-170530-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
428 AM PDT WED SEP 16 2026
THERE IS A LOW CHANCE THAT THUNDERSTORMS WILL DEVELOP OVER FAR
EASTERN SAN BERNARDINO COUNTY THIS AFTERNOON AND EVENING. IF
STORMS DO DEVELOP, WETTING RAIN AND FREQUENT LIGHTNING CAN BE
EXPECTED. OTHERWISE, A BULK OF STORM ACTIVITY WILL BE TO THE EAST,
POTENTIALLY SENDING GUSTY OUTFLOW WINDS WESTWARD INTO SAN
BERNARDINO COUNTY THROUGH THIS EVENING. OTHERWISE, DRY CONDITIONS
CONTINUE WEST OF INTERSTATE 15 WITH AFTERNOON RELATIVE HUMIDITIES
IN THE UPPER- SINGLE-DIGITS TO LOW-TEENS AND GUSTY SOUTH-
SOUTHWESTERLY WINDS BETWEEN 25 AND 35 MPH.
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