240  
FNUS85 KVEF 070927  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
227 AM PDT TUE JUL 7 2026  
 
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## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM RNOFWFVEF
 
 
SINGLE-DIGIT AFTERNOON RELATIVE HUMIDITIES WILL CONTINUE AT LEAST  
THROUGH THURSDAY. MODEST MOISTURE WILL BEGIN TO INCREASE FROM THE  
SOUTH LATE-WEEK, RESULTING IN INCREASED RH MAINLY SOUTH OF  
INTERSTATE 40. MOISTURE WILL PEAK OVER THE WEEKEND AS MONSOON SHOWER  
AND THUNDERSTORM CHANCES INCREASE. LOW CONFIDENCE IN WETTING RAIN  
CHANCES AT THIS TIME.  
 
   
..DISCUSSION FROM LAXFWFSGX
 
 
VERY DRY FOR THE DESERTS INTO THE MOUNTAINS THROUGH FRIDAY WITH  
LOWEST HUMIDITY FALLING TO AROUND 10 PERCENT EACH DAY AND MODERATE  
OVERNIGHT RECOVERIES. THE WARMING TREND WILL CONTINUE FOR INLAND  
AREAS WITH THE HEAT PEAKING ON THURSDAY. A FEW TO AROUND 5 DEGREES  
COOLER FOR INLAND AREAS ON FRIDAY AND SATURDAY. FOR SUNDAY THROUGH  
TUESDAY, THERE WILL BE INCREASING HUMIDITY AND MONSOONAL MOISTURE  
AS THE FLOW ALOFT BECOMES SOUTHEASTERLY. THERE WILL BE A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS FOR SUNDAY THROUGH TUESDAY WITH  
THE GREATER CHANCES OVER THE MOUNTAINS AND DURING THE AFTERNOON AND  
EARLY EVENING EACH DAY. THE MARINE LAYER WILL KEEP COASTAL AREAS  
COOLER WITH HIGHER HUMIDITY.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
GUSTY AND ERRATIC THUNDERSTORM WINDS AND ISOLATED DRY LIGHTNING OVER  
THE FAR EASTERN DISTRICTS THE NEXT FEW AFTERNOONS WILL BE THE MAIN  
FIRE WEATHER CONCERNS. OUTSIDE OF ANY POTENTIAL OUTFLOWS, WINDS  
SHOULD FAVOR LIGHT AND DIURNAL TRENDS WITH TYPICAL AFTERNOON  
BREEZINESS AROUND 20 MPH. AFTERNOON RH VALUES BETWEEN 10-15% WILL  
BE COMMON ACROSS THE REGION. OVERNIGHT RECOVERIES WILL OFFER ONLY  
LIMITED TO MODEST RELIEF AS MAXRH VALUES RANGE GENERALLY BETWEEN  
20-45%. TEMPERATURES ARE EXPECTED TO RUN WELL ABOVE NORMAL THROUGH  
THE MIDDLE OF THE WEEK, WITH THE LOWEST ELEVATIONS REACHING BETWEEN  
110-115 DEGREES.  
 
#####################################################################  
## ##  
## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ##  
## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ##  
## ##  
#####################################################################  
 
ECC027-080330-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
227 AM PDT TUE JUL 7 2026  
 
SINGLE-DIGIT AFTERNOON RELATIVE HUMIDITIES WILL CONTINUE AT LEAST  
THROUGH THURSDAY. MODEST MOISTURE WILL BEGIN TO INCREASE FROM THE  
SOUTH LATE-WEEK, RESULTING IN INCREASED RH MAINLY SOUTH OF  
INTERSTATE 40. MOISTURE WILL PEAK OVER THE WEEKEND AS MONSOON SHOWER  
AND THUNDERSTORM CHANCES INCREASE. LOW CONFIDENCE IN WETTING RAIN  
CHANCES AT THIS TIME.  
 

 
 
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