720  
FNUS85 KVEF 182034  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
134 PM PDT SUN MAY 18 2025  
 
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
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..DISCUSSION FROM RNOFWFVEF  
 
BREEZY NORTHWEST WINDS CAN BE EXPECTED THROUGH MONDAY WITH  
TEMPERATURES NEAR TO SLIGHTLY BELOW NORMAL FOR MID-MAY. DRY  
CONDITIONS CAN BE EXPECTED THROUGH THE WEEK, WITH TEMPERATURES  
CLIMBING WELL ABOVE NORMAL FROM TUESDAY ONWARD.  
 
   
..DISCUSSION FROM LAXFWFSGX  
 
DRY AND WARM FOR MUCH OF THIS WEEK WITH PERIODS OF OFFSHORE NORTH TO  
NORTHEAST WINDS. STRONGEST WINDS WILL BE ON MONDAY, WITH WEAKER  
WINDS IN THE NIGHTS AND MORNINGS THROUGH AT LEAST THE MIDDLE OF THE  
WEEK. GUSTS UP TO 35 MPH POSSIBLE MONDAY, MAINLY ON THE COASTAL  
MOUNTAIN SLOPES OF THE SAN BERNARDINO AND SANTA ANA MOUNTAINS AND  
LOCALLY BELOW THE CAJON PASS INTO THE INLAND EMPIRE. DAYTIME  
RELATIVE HUMIDITY IN THE INLAND EMPIRE WILL FALL TO 15 TO 20 PERCENT  
THROUGH THURSDAY AFTERNOON. CONDITIONS WILL WARM THROUGH THURSDAY,  
WITH HIGH TEMPERATURES AROUND 10 DEGREES ABOVE AVERAGE FOR  
WEDNESDAY AND THURSDAY NEAR THE COAST AND UP TO 15 DEGREES ABOVE  
AVERAGE FOR THE VALLEYS.  
 
   
..DISCUSSION FROM PHXFWFPSR  
 
SOME ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE TODAY, MAINLY  
ACROSS SOUTHERN GILA COUNTY AS AFTERNOON/EARLY EVENING PEAK WIND  
GUSTS REACH 20-30 MPH ALONG WITH MINRH VALUES OF 15-20%. ANOTHER  
WEATHER SYSTEM PASSING TO THE NORTH AND EAST WILL RESULT IN ANOTHER  
ROUND GUSTIER WINDS ON MONDAY AS AFTERNOON/EARLY EVENING PEAK GUSTS  
WILL RANGE BETWEEN 25-35 MPH, WITH THE HIGHEST GUSTS ONCE AGAIN  
EXPECTED ACROSS THE HIGHER TERRAIN AREAS OF SOUTHERN GILA AND  
EASTERN MARICOPA COUNTIES. THESE ELEVATED WINDS IN COMBINATION WITH  
MINRH VALUES BETWEEN 10-15% WILL RESULT IN CRITICAL FIRE WEATHER  
CONDITIONS. MUCH LIGHTER WINDS WITH MINRHS DROPPING EVEN FURTHER  
INTO THE SINGLE DIGITS ARE ANTICIPATED BY TUESDAY.  
 
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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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ECC027-191445-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
134 PM PDT SUN MAY 18 2025  
 
BREEZY NORTHWEST WINDS CAN BE EXPECTED IN THE DESERTS THROUGH  
MONDAY WITH TEMPERATURES NEAR TO SLIGHTLY BELOW NORMAL FOR MID-  
MAY. OFFSHORE WINDS WITH GUSTS UP TO 35 MPH CAN BE EXPECTED IN THE  
SOUTHWEST CORNER OF THE DISTRICT ON MONDAY, WHERE AFTERNOON  
HUMIDITY WILL FALL TO 15 TO 20 PERCENT EACH DAY THROUGH THURSDAY.  
DRY CONDITIONS CAN BE EXPECTED ACROSS THE DISTRICT THROUGH THE  
WEEK, WITH TEMPERATURES CLIMBING WELL ABOVE NORMAL FROM TUESDAY  
ONWARD.  
 
 
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