632  
FNUS85 KVEF 232136  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
236 PM PDT SUN SEP 23 2018  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM RNOFWFVEF
 
 
ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THE EARLY  
EVENING ACROSS PORTIONS OF LINCOLN COUNTY DUE TO NEAR CRITICAL  
WINDS AND RH VALUES. ELSEWHERE, WINDS ARE BREEZY BUT REMAIN WELL  
BELOW CRITICAL THRESHOLDS. WINDS WILL SUBSIDE THIS EVENING AND  
REMAIN LIGHT THROUGH THROUGH AT LEAST THURSDAY. A DRYING TREND IS  
EXPECTED AS A DRY AIR MASS WORKS INTO THE SOUTHERN GREAT BASIN AND  
MOJAVE DESERT ZONES. RH VALUES ARE EXPECTED TO FALL INTO THE SINGLE  
DIGITS IN THE LOWER DESERTS AND HIGHER TERRAIN BY WEDNESDAY AND  
REMAIN BELOW OR NEAR CRITICAL THROUGH NEXT WEEKEND.  
 
   
..DISCUSSION FROM LAXFWFSGX
 
 
AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE  
INTERMOUNTAIN WEST OVER THE NEXT FEW DAYS WITH THE TAIL END MOVING  
ACROSS SOUTHERN CALIFORNIA BY TUESDAY NIGHT. WEST TO SOUTHWEST  
WINDS WILL INCREASE A BIT AHEAD OF THIS FEATURE WITH GUSTY WINDS  
EXPECTED ALONG THE DESERT MOUNTAIN SLOPES AND THROUGH THE PASSES  
THIS EVENING THROUGH MONDAY WITH A FEW HOURS OF NEAR CRITICAL FIRE  
WEATHER CONDITIONS. AN UPPER LEVEL RIDGE WILL BUILD OVER THE AREA  
WEDNESDAY THROUGH THURSDAY WITH HOTTER TEMPERATURES INLAND ALONG  
WITH A LOWERING OF THE RELATIVE HUMIDITY. HOWEVER, STRONG WINDS ARE  
NOT ANTICIPATED.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
TEMPERATURES WILL REMAIN SOMEWHAT WARMER THAN NORMAL WITH PRIMARILY  
DRY WEATHER THROUGH TUESDAY. HOWEVER, THERE WILL BE A MODEST  
INCREASE IN HUMIDITY LEVELS WITH AFTERNOON MINIMUMS ONLY FALLING  
INTO A 15-30% RANGE WHILE OVERNIGHT RECOVERY WILL BE FAIR TO  
EXCELLENT. WINDS WILL BE LIGHTER THE NEXT COUPLE DAYS AS COMPARED TO  
THE WEEKEND WITH A RELAXING OF THE EASTERLY GUSTS AND MORE  
TRADITIONAL WESTERLY UPSLOPE WINDS.  
 
#####################################################################  
## ##  
## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ##  
## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ##  
## ##  
#####################################################################  
 
ECC027-241545-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
236 PM PDT SUN SEP 23 2018  
 
ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THE EARLY  
EVENING ACROSS PORTIONS OF LINCOLN COUNTY DUE TO NEAR CRITICAL  
WINDS AND RH VALUES. ELSEWHERE, WINDS ARE BREEZY BUT REMAIN WELL  
BELOW CRITICAL THRESHOLDS. WINDS WILL SUBSIDE THIS EVENING AND  
REMAIN LIGHT THROUGH THROUGH AT LEAST THURSDAY. A DRYING TREND IS  
EXPECTED AS A DRY AIR MASS WORKS INTO THE SOUTHERN GREAT BASIN AND  
MOJAVE DESERT ZONES. RH VALUES ARE EXPECTED TO FALL INTO THE SINGLE  
DIGITS IN THE LOWER DESERTS AND HIGHER TERRAIN BY WEDNESDAY AND  
REMAIN BELOW OR NEAR CRITICAL THROUGH NEXT WEEKEND.  
 

 
 
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