687
FNUS85 KVEF 190036
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
436 PM PST THU DEC 18 2025
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
BREEZES REMAIN LIGHT FOR THE NEXT SEVERAL DAYS, WITH PEAK GUSTS
10-20 MPH IN MOST LOCATIONS. AFTERNOON RH VALUES GENERALLY 20-
35 PERCENT, RECOVERING TO AT LEAST 40-50 PERCENT IN THE VALLEYS AT
NIGHT. DAILY TEMPERATURE INVERSIONS WILL REMAIN PRESENT IN THE LOWER
VALLEYS, RESULTING IN POOR TO MARGINAL VENTILATION. OVER THE
WEEKEND, A SYSTEM BRINGS PRECIPITATION CHANCES TO WESTERN ESMERALDA
AND NORTHWESTERN INYO COUNTIES WHILE THE REST OF THE AREA STAYS DRY.
HOWEVER, SOUTHWESTERLY BREEZES MAY INCREASE SLIGHTLY ACROSS THE
MOJAVE DESERT DURING THIS TIME.
..DISCUSSION FROM LAXFWFSGX
WARM WEATHER WILL CONTINUE INTO EARLY NEXT WEEK AS AN ONSHORE FLOW
BEGINS TO STRENGTHEN WITH INCREASING HUMDIITY. THE MARINE LAYER
WILL REMAIN THIN ON FRIDAY MORNING WITH PATCHY FOG NEAR THE COAST.
THE MARINE LAYER WILL DEEPEN INTO THE WEEKEND AND EARLY NEXT WEEK
WITH NIGHT AND MORNING LOW CLOUDS NEAR THE COAST AND WESTERN
VALLEYS. A WEAK TO MODERATE ATMOSPHERIC RIVER WILL MOVE INTO THE
AREA NEAR THE CHRISTMAS HOLIDAY. LIGHT RAIN MAY START AS EARLY AS
TUESDAY, BUT CHANCES FOR WETTING RAIN WILL INCREASE GREATLY ACROSS
OUR ENTIRE AREA BY WEDNESDAY. THE WEATHER PATTERN CONTINUES TO
LOOK COOLER AND WETTER INTO LATER NEXT WEEK.
..DISCUSSION FROM PHXFWFPSR
DRY, TRANQUIL WEATHER CONDITIONS WITH UNSEASONABLY WARM
TEMPERATURES, 10 TO 15 DEGREES ABOVE NORMAL, WILL CONTINUE INTO
EARLY NEXT WEEK. WINDS WILL GENERALLY BE LIGHT AND DIURNAL WITH
SPEEDS UNDER 15 MPH. AFTERNOON MINRHS WILL RANGE BETWEEN 20-30%
WITH GOOD OVERNIGHT RECOVERIES BETWEEN 40-70%.
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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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ECC027-191845-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
436 PM PST THU DEC 18 2025
BREEZES REMAIN LIGHT FOR THE NEXT SEVERAL DAYS, WITH PEAK GUSTS
10-20 MPH IN MOST LOCATIONS. AFTERNOON RH VALUES GENERALLY 20-
35 PERCENT, RECOVERING TO AT LEAST 40-50 PERCENT IN THE VALLEYS AT
NIGHT. DAILY TEMPERATURE INVERSIONS WILL REMAIN PRESENT IN THE LOWER
VALLEYS, RESULTING IN POOR TO MARGINAL VENTILATION. OVER THE
WEEKEND, A SYSTEM BRINGS PRECIPITATION CHANCES TO WESTERN ESMERALDA
AND NORTHWESTERN INYO COUNTIES WHILE THE REST OF THE AREA STAYS DRY.
HOWEVER, SOUTHWESTERLY BREEZES MAY INCREASE SLIGHTLY ACROSS THE
MOJAVE DESERT DURING THIS TIME.
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