309  
FNUS85 KVEF 192048  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
148 PM PDT SAT SEP 19 2026  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM RNOFWFVEF  
 
DRY AND SEASONABLE CONDITIONS STICK AROUND THROUGH THE WEEKEND WITH  
LIGHT BREEZES. AFTERNOON RH VALUES 5-15%, WITH POOR OVERNIGHT  
RECOVERY IN THE CENTRAL MOJAVE DESERT AND MODERATE RECOVERY  
ELSEWHERE. MOISTURE AND PRECIPITATION CHANCES INCREASE MONDAY AND  
TUESDAY, PARTICULARLY ACROSS THE NORTHWESTERN HALF OF THE AREA.  
DRIER CONDITIONS RESUME WEDNESDAY AND THURSDAY, FOLLOWED BY LOW  
PRECIPITATION CHANCES RETURNING TO AREAS SOUTHEAST OF I-15 ON  
FRIDAY.  
 
   
..DISCUSSION FROM LAXFWFSGX  
 
BELOW-NORMAL TEMPERATURES PREVAIL INTO THE MIDDLE OF NEXT WEEK  
BEFORE A WARMING TREND SETS IN FOR THE LATTER HALF OF THE WEEK.  
MINIMUM HUMIDITY FALLS TO AROUND 10% FOR AREAS EAST OF THE  
MOUNTAINS TODAY AND TOMORROW, WITH BETTER HUMIDITY (ABOVE 20%)  
EVERYWHERE MONDAY AND BEYOND. TYPICAL ONSHORE WINDS OVER THE NEXT  
WEEK WITH GUSTS GENERALLY BELOW 20 MPH OUTSIDE OF WIND-PRONE  
MOUNTAIN PASSES.  
 
   
..DISCUSSION FROM PHXFWFPSR  
 
WITH TEMPERATURES HOVERING NEAR NORMAL, DRY CONDITIONS WILL PREVAIL  
THROUGH MONDAY. MINIMUM AFTERNOON HUMIDITY VALUES WILL GENERALLY  
FALL INTO A 10-20% RANGE ACROSS LOWER ELEVATIONS AND 20-30% OVER  
MOUNTAINOUS AREAS. THIS WILL FOLLOW FAIR TO GOOD OVERNIGHT RECOVERY  
OF 35-70%. WINDS SHOULD RETAIN THEIR TYPICAL UPSLOPE/DRAINAGE  
COMPONENT WITH VERY LIMITED AFTERNOON GUSTS.  
 
#####################################################################  
## ##  
## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ##  
## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ##  
## ##  
#####################################################################  
 
ECC027-201500-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
148 PM PDT SAT SEP 19 2026  
 
DRY AND SEASONABLE CONDITIONS STICK AROUND THROUGH THE WEEKEND WITH  
LIGHT BREEZES. AFTERNOON RH VALUES 5-15%, WITH POOR OVERNIGHT  
RECOVERY IN THE CENTRAL MOJAVE DESERT AND MODERATE RECOVERY  
ELSEWHERE. MOISTURE AND PRECIPITATION CHANCES INCREASE MONDAY AND  
TUESDAY, PARTICULARLY ACROSS THE NORTHWESTERN HALF OF THE AREA.  
DRIER CONDITIONS RESUME WEDNESDAY AND THURSDAY, FOLLOWED BY LOW  
PRECIPITATION CHANCES RETURNING TO AREAS SOUTHEAST OF I-15 ON  
FRIDAY.  
 
 
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