459  
FNUS85 KVEF 191032  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
332 AM PDT THU OCT 19 2017  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM RNOFWFVEF
 
 
CLOUDS WILL DECREASE FROM WEST TO EAST TODAY AS ISOLATED SHOWERS  
GRADUALLY MOVE OUT OF LINCOLN AND MOHAVE COUNTIES INTO UTAH. WINDS  
WILL BEGIN TO INCREASE THIS AFTERNOON, WITH STRONG DOWNSLOPE WINDS  
EXPECTED ON THE EASTERN SLOPES OF THE SIERRA TONIGHT AND FRIDAY  
MORNING AND STRONG WEST WINDS EXPECTED IN NORTHWEST SAN BERNARDINO  
COUNTY FRIDAY. A COLD FRONT WILL PASS THROUGH THE SOUTHERN GREAT  
BASIN FRIDAY AND THE MOJAVE DESERT FRIDAY EVENING, BRINGING GUSTY  
NORTH WINDS TO THE COLORADO RIVER VALLEY SATURDAY. HIGH PRESSURE  
WILL BRING QUIET WEATHER SUNDAY THROUGH THE FIRST HALF OF NEXT WEEK,  
EXCEPT FOR PERIODS OF GUSTY NORTH WINDS IN THE COLORADO RIVER  
VALLEY.  
 
   
..DISCUSSION FROM LAXFWFSGX
 
 
COOLER WITH HIGHER HUMIDITY THROUGH FRIDAY AS A TROUGH OF LOW  
PRESSURE MOVES ACROSS THE REGION. SIGNIFICANT WARMING AND DRYING  
SATURDAY THROUGH TUESDAY AS A PROLONGED SANTA ANA DEVELOPS AND A  
STRONG RIDGE OF HIGH PRESSURE BUILDS OVER CALIFORNIA. THE  
COMBINATION OF HOT WEATHER, DAYTIME HUMIDITY AT OR BELOW 10  
PERCENT, AND NORTHEAST TO EAST WINDS GUSTING 30 TO AS MUCH AS 50  
MPH WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH AND BELOW  
THE PASSES AND CANYONS AND NEAR THE COASTAL FOOTHILLS SATURDAY  
THROUGH AT LEAST TUESDAY. THE GREATEST THREAT WILL BE MONDAY AND  
TUESDAY AS HEAT AND WIND BOTH PEAK.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
A WEAK DISTURBANCE MOVING THROUGH THIS MORNING WILL BRING A FEW  
SPRINKLES TO GILA COUNTY ALTHOUGH WETTING RAINS ARE NOT EXPECTED.  
TEMPERATURES WILL REMAIN ABOVE AVERAGE TODAY BEFORE COOLING TO NEAR  
NORMAL LEVELS ON FRIDAY. BREEZY (15-25 MPH) WINDS BEGIN FRIDAY OVER  
SE CALIFORNIA ALTHOUGH MINIMUM AFTERNOON RELATIVE HUMIDITY SHOULD  
STAY AT OR ABOVE 20%. NONETHELESS, FIRE DANGER WILL BE ELEVATED.  
OVERNIGHT RECOVERIES WILL RANGE FROM FAIR TO GOOD WITH READINGS  
BETWEEN 35% AND 55%.  
 
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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 ##  
## ##  
#####################################################################  
 
ECC027-200445-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
332 AM PDT THU OCT 19 2017  
 
WINDS WILL BEGIN TO INCREASE THIS AFTERNOON, WITH STRONG  
DOWNSLOPE WINDS EXPECTED ON THE EASTERN SLOPES OF THE SIERRA  
TONIGHT AND FRIDAY MORNING AND STRONG WEST WINDS EXPECTED IN  
NORTHWEST SAN BERNARDINO COUNTY FRIDAY. A COLD FRONT WILL PASS  
THROUGH INYO COUNTY FRIDAY AND SAN BERNARDINO COUNTY FRIDAY  
EVENING, BRINGING GUSTY NORTH WINDS TO THE COLORADO RIVER VALLEY  
SATURDAY AND PROLONGED GUSTY OFFSHORE WINDS TO THE INLAND VALLEYS  
SATURDAY THROUGH TUESDAY.  
 

 
 
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