603
FNUS85 KVEF 202016
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
116 PM PDT WED MAY 20 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
DRY CONDITIONS WITH SINGLE-DIGIT AFTERNOON RELATIVE HUMIDITIES WILL
CONTINUE THROUGH THE WEEKEND WITH PERIODS OF AFTERNOON BREEZES. WE
CAN ALSO EXPECT TO SEE POOR OVERNIGHT HUMIDITY RECOVERIES BETWEEN
15 AND 25 PERCENT FOR THE VALLEYS AND GENERALLY ABOVE 30 PERCENT FOR
THE HIGHER ELEVATIONS. NO SIGNIFICANT WINDS EXPECTED THROUGH THE
WEEKEND.
..DISCUSSION FROM LAXFWFSGX
AN INCREASING TREND IN RELATIVE HUMIDITY WILL OCCUR STARTING ON
THURSDAY WHERE VALUES WILL LOWER 8 TO 15 PERCENT FROM THE DESERT
SLOPES, MOUNTAINS, AND INTO FAR EASTERN VALLEYS. HUMIDITY WILL
INCREASE SLIGHTLY EACH DAY THROUGH THE WEEKEND WITH SIMILAR
TEMPERATURES NEAR TO SLIGHTLY ABOVE AVERAGE. ONSHORE WINDS CAN BE
EXPECTED THROUGH THIS PERIOD EACH AFTERNOON AND EVENING WITH WINDS
GENERALLY GUSTING BETWEEN 15 AND 25 MPH. BY MONDAY INTO THE MIDDLE
OF NEXT WEEK, FURTHER COOLING WITH HIGHER HUMIDITY WILL OCCUR ALONG
WITH HIGHER ONSHORE WINDS. WINDS IN THE MOUNTAINS AND DESERTS WILL
GENERALLY GUST NEAR 25-45 MPH, THOUGH HIGHER GUSTS MAY OCCUR IN
MOUNTAIN PASSES. THE MARINE LAYER WILL BE CONFINED TO THE COAST AND
FAR WESTERN VALLEYS THROUGH THE WEEKEND, WITH MORE CLOUD COVERAGE
EXPECTED FOR THE FIRST HALF OF NEXT WEEK.
..DISCUSSION FROM PHXFWFPSR
DESPITE A GRADUAL WARMING TREND, TEMPERATURES WILL HOVER AROUND
SEASONAL LEVELS THROUGH THE END OF THIS WEEK. MINIMUM HUMIDITY
VALUES WILL BOTTOM OUT AROUND 5-15% EACH AFTERNOON, FOLLOWING POOR
TO FAIR OVERNIGHT RECOVERY OF 15-40%. WINDS WILL MAINTAIN A
NOCTURNAL DRAINAGE/DIURNAL UPSLOPE COMPONENT WITH OCCASIONAL
AFTERNOON GUSTS UP TO 15-25 MPH.
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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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ECC027-211430-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
116 PM PDT WED MAY 20 2026
DRY CONDITIONS WITH SINGLE-DIGIT AFTERNOON RELATIVE HUMIDITIES WILL
CONTINUE THROUGH THE WEEKEND WITH PERIODS OF AFTERNOON BREEZES. WE
CAN ALSO EXPECT TO SEE POOR OVERNIGHT HUMIDITY RECOVERIES BETWEEN
15 AND 25 PERCENT FOR THE VALLEYS AND GENERALLY ABOVE 30 PERCENT FOR
THE HIGHER ELEVATIONS. NO SIGNIFICANT WINDS EXPECTED THROUGH THE
WEEKEND.
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