FNUS85 KVEF 122121

FWLVEF



ECCDA DISCUSSIONS

NATIONAL WEATHER SERVICE LAS VEGAS NV

121 PM 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...





WEAK ONSHORE FLOW AND WARM WEATHER WILL CONTINUE INTO THE WEEKEND.

LOCALLY DENSE FOG WILL BE WITHIN A FEW MILES OF THE COAST THROUGH

THE WEEKEND WITH VISIBILITY NEAR ONE HALF MILE AT TIMES. LIGHT

OFFSHORE FLOW AND DRIER DAYTIME HUMIDITIES NEAR 10-20 PERCENT BY 

NEXT MONDAY AND TUESDAY. FOR WEDNESDAY AND THURSDAY, STRONGER

ONSHORE  FLOW WILL SPREAD SUBTLE COOLING INLAND WITH INCREASING

HUMIDITY.





...DISCUSSION FROM PHXFWFPSR...





STRONG HIGH PRESSURE WILL CONTINUE TO BRING UNSEASONABLY WARM AND

DRY CONDITIONS TO THE REGION THROUGH THIS WEEKEND. HIGHS IN THE 

UPPER 70S TO THE LOWER 80S WILL BE COMMON ACROSS THE LOWER DESERTS,

OR UPWARDS OF 10 TO 15 DEGREES ABOVE DAILY NORMALS. WINDS WILL 

CONTINUE TO FOLLOW FAMILIAR DIURNAL PATTERNS WITH OCCASIONAL UPSLOPE

BREEZINESS ACROSS THE HIGHER TERRAIN AREAS. DAILY MINRHS  WILL RANGE

FROM 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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ECC027-131530-

SAN BERNARDINO ECC DISPATCH-

DISCUSSION FOR SAN BERNARDINO ECC DISPATCH

121 PM 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. 



$$