635
FNUS85 KVEF 121217
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
417 AM PST FRI DEC 12 2025
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
DRY CONDITIONS WILL PERSIST ACROSS THE REGION THROUGH THE WEEKEND.
RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO BETWEEN 15 AND
30 PERCENT EACH AFTERNOON, WITH OVERNIGHT VALUES RECOVERING TO
BETWEEN 30 AND 60 PERCENT. TEMPERATURES WILL CONTINUE TO RUN WARMER
THAN NORMAL, WITH READINGS APPROACHING RECORD LEVELS TODAY BEFORE
DECREASING A FEW DEGREES OVER THE WEEKEND, THOUGH STILL REMAINING
ABOVE NORMAL.
..DISCUSSION FROM LAXFWFSGX
THROUGH SUNDAY, WEAK ONSHORE FLOW AND A SLOWLY DEEPENING MARINE
LAYER WILL SPREAD COOLING AND HIGHER COASTAL HUMIDITY INLAND, BUT
WITH SUNDAY HIGH TEMPERATURES STILL 12 TO 18 DEGREES ABOVE AVERAGE
FOR THE INLAND VALLEYS AND LOWER COASTAL SLOPES OF THE MOUNTAINS.
MUCH WARMER AIR IN THE TEMPERATURE INVERSION ABOVE THE MARINE LAYER
WILL KEEP OVERNIGHT TEMPERATURES WARMER INTO EARLY NEXT WEEK IN THE
FAR INLAND VALLEYS ONTO THE LOWER COASTAL SLOPES OF THE MOUNTAINS
FOR ELEVATIONS FROM 2000 TO AROUND 4000 FEET. FOR MONDAY INTO
TUESDAY, THERE WILL BE WEAK OFFSHORE FLOW WITH INLAND DRYING. FOR
WEDNESDAY, STRONGER ONSHORE FLOW WILL SPREAD COOLING OF AROUND
5 DEGREES INLAND WITH NOT MUCH CHANGE ON THURSDAY.
..DISCUSSION FROM PHXFWFPSR
STRONG HIGH PRESSURE WILL CONTINUE TO DOMINATE ACROSS THE REGION
THROUGH AT LEAST THE WEEKEND BRINGING UNSEASONABLY WARM AND DRY
CONDITIONS. HIGH TEMPERATURES IN THE UPPER 70S TO THE LOWER 80S WILL
BE COMMON ACROSS THE LOWER DESERTS, OR AT LEAST 10 DEGREES ABOVE
NORMALS. WINDS WILL CONTINUE TO FOLLOW FAMILIAR DIURNAL TRENDS WITH
OCCASIONAL AFTERNOON UPSLOPE BREEZINESS. DAILY MINRHS WILL BE
BETWEEN 20-25% WHILE OVERNIGHT RECOVERIES RUN GENERALLY BETWEEN
45-75%.
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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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ECC027-130630-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
417 AM PST FRI DEC 12 2025
DRY CONDITIONS WILL PERSIST ACROSS THE REGION THROUGH THE
WEEKEND. RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO BETWEEN
15 AND 30 PERCENT EACH AFTERNOON, WITH OVERNIGHT VALUES RECOVERING
TO BETWEEN 30 AND 60 PERCENT. TEMPERATURES WILL CONTINUE TO RUN
WARMER THAN NORMAL, WITH READINGS APPROACHING RECORD LEVELS TODAY
BEFORE DECREASING A FEW DEGREES OVER THE WEEKEND, THOUGH STILL
REMAINING ABOVE NORMAL.
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