383  
FNUS85 KVEF 091140  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
440 AM PDT WED JUL 9 2025  
 
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
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..DISCUSSION FROM RNOFWFVEF  
 
A WEAK DISTURBANCE WILL MOVE THROUGH THE GREAT BASIN, CAUSING BREEZY  
SOUTHWESTERLY WINDS TO PICK UP ACROSS SOUTHERN NEVADA. THESE WINDS  
COMBINED WITH LOW HUMIDITY WILL RESULT IN CRITICAL FIRE WEATHER  
CONDITIONS ACROSS PORTIONS OF LINCOLN COUNTY TODAY. AFTER TODAY, HOT  
AND DRY CONDITIONS WILL CONTINUE INTO NEXT WEEK BUT WINDS WILL BE  
RELATIVELY LIGHT, WHICH WILL HELP TO MITIGATE FIRE WEATHER RISK.  
 
   
..DISCUSSION FROM LAXFWFSGX  
 
THE HEAT FOR INLAND AREAS WILL PEAK TODAY AND THURSDAY WITH HIGH  
TEMPERATURES 5 TO 10 DEGREES ABOVE AVERAGE. NOT QUITE AS HOT FOR  
FRIDAY INTO NEXT WEEK WITH THE COAST AND VALLEYS NEAR TO AROUND  
5 DEGREES BELOW AVERAGE WITH THE DESERTS AROUND 5 DEGREES ABOVE  
AVERAGE. ELEVATED FIRE WEATHER CONDITIONS ON THURSDAY AFTERNOON AND  
EARLY EVENING FOR THE DESERTS ONTO THE DESERT SLOPES OF THE  
MOUNTAINS WITH LOWEST HUMIDITY OF 8 TO 15 PERCENT AND SOUTHWEST  
WINDS WITH GUSTS TO 20 TO 30 MPH WITH GUSTS TO 35 TO 45 MPH IN THE  
NORTHERN COACHELLA VALLEY BELOW THE SAN GORGONIO PASS. THE MARINE  
LAYER WILL DECREASE IN DEPTH THROUGH THURSDAY TO AROUND 1500 FEET,  
THEN DEEPEN SLIGHTLY TO 1500 TO 2000 FEET FOR THE WEEKEND INTO NEXT  
WEEK.  
 
   
..DISCUSSION FROM PHXFWFPSR  
 
REGIONALLY DRY CONDITIONS AND WELL ABOVE NORMAL TEMPERATURES WILL  
CONTINUE DURING THE NEXT COUPLE OF DAYS AS LOWER DESERTS HIGHS  
REACH 110 TO 118 DEGREES, WITH TEMPERATURES PEAKING TODAY. MINRH  
VALUES WILL RANGE FROM 10-20% EACH AFTERNOON, WHILE MAXRH VALUES  
WILL BE POOR TONIGHT AT 20-40% BEFORE INCREASING TO 35-60% THURSDAY  
NIGHT. THE OVERALL WIND PATTERN WILL FOLLOW THE FAMILIAR DIURNAL  
TRENDS, WITH SOME AFTERNOON/EARLY EVENING BREEZINESS OF 15-25 MPH  
PEAK GUSTS TODAY. AN UPTICK IN THE WINDS IS EXPECTED THURSDAY WITH  
AFTERNOON/EARLY EVENING GUSTS UPWARDS OF 25-35 MPH. THIS MAY LEAD  
TO LOCALLY ELEVATED FIRE WEATHER CONDITIONS IN THE AFTERNOON. VERY  
MINIMAL RAIN CHANCES WILL EXIST DURING THE NEXT SEVERAL DAYS, WITH  
ANY ACTIVITY FOCUSED ACROSS THE EASTERN AND SOUTHEASTERN THIRD OF  
AZ WITH CWR <10% THROUGH AT LEAST THIS UPCOMING WEEKEND.  
 
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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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ECC027-100545-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
440 AM PDT WED JUL 9 2025  
 
HOT AND DRY CONDITIONS WILL CONTINUE THROUGH EARLY NEXT WEEK WITH  
RELATIVE HUMIDITIES BOTTOMING OUT IN THE SINGLE DIGITS TO LOWER  
TEENS ACROSS THE HIGH DESERTS. MINIMUM RELATIVE HUMIDITY VALUES IN  
THE SAN BERNARDINO MOUNTAINS WILL BE IN THE 20 TO 40% RANGE.  
BREEZY SOUTHWESTELRY-TO-WESTERLY WINDS WILL PICK UP ACROSS THE  
WESTERN MOJAVE DESERT EACH AFTERNOON WITH WIND DECREASING  
OVERNIGHT.  
 
 
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