694  
FNUS85 KVEF 041009  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
309 AM PDT THU SEP 4 2025  
 
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## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM RNOFWFVEF
 
 
CHANCES OF SHOWERS AND THUNDERSTORMS SPREAD ACROSS MOST OF THE  
FORECAST AREA TODAY, PARTICULARLY OVER HIGH TERRAIN. MOISTURE  
GRADUALLY DECREASES THROUGH THE END OF THE WEEK, WITH DRY CONDITIONS  
PREVAILING BY SUNDAY. MINIMUM HUMIDITY VALUES WILL GENERALLY BE IN  
THE 20 TO 30 PERCENT RANGE TODAY AND TOMORROW. COOLER TEMPERATURES  
SHOULD RETURN NEXT WEEK WITH HIGHS 5 TO 10 DEGREES BELOW AVERAGE.  
 
   
..DISCUSSION FROM LAXFWFSGX
 
 
MONSOONAL MOISTURE WILL REMAIN IN PLACE THROUGH FRIDAY WITH  
SCATTERED THUNDERSTORMS FOR THE MOUNTAINS AND DESERTS EACH AFTERNOON  
WITH THE GREATER COVERAGE OVER THE MOUNTAINS AND THE RELATIVELY  
GREATER RAINFALL OVER THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO  
COUNTIES. A LARGE LOW PRESSURE SYSTEM WILL MOVE SLOWLY INLAND INTO  
THE WESTERN STATES FOR NEXT WEEK. THE GREATEST DRYING IS EXPECTED  
FROM SUNDAY THROUGH TUESDAY WITH NO PRECIPITATION EXPECTED FOR NEXT  
WEEK. THERE WILL BE A COOLING TREND THROUGH WEDNESDAY OF NEXT WEEK  
WITH HIGH TEMPERATURES NEXT WEDNESDAY AS MUCH AS 8 TO 12 DEGREES  
BELOW AVERAGE FOR SOME INLAND AREAS.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
HIGHER MOISTURE LEVELS WILL CONTINUE TO ALLOW FOR PERIODS OF SHOWERS  
AND THUNDERSTORMS INTO THE WEEKEND WITH WETTING RAIN CHANCES AS HIGH  
AS 20-30% OVER THE WESTERN DISTRICTS TO 40-60% OVER THE EASTERN  
DISTRICTS. LOCALIZED HEAVY RAINFALL AND FLOODING WILL BE POSSIBLE  
AGAIN TODAY WITH DIMINISHING CHANCES INTO FRIDAY. MINRHS ARE ONLY  
EXPECTED TO DROP INTO A 35-45% RANGE THROUGH SATURDAY AS  
TEMPERATURES DROP TO BELOW NORMAL. OUTSIDE OF THUNDERSTORM DRIVEN  
WINDS, WINDS WILL TEND TO BE ON THE LIGHT SIDE AND FAVOR THE SOUTH  
MUCH OF THE PERIOD.  
 
#####################################################################  
## ##  
## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ##  
## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ##  
## ##  
#####################################################################  
 
ECC027-050415-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
309 AM PDT THU SEP 4 2025  
 
CHANCES OF SHOWERS AND THUNDERSTORMS SPREAD ACROSS MOST OF THE  
FORECAST AREA TODAY, PARTICULARLY OVER HIGH TERRAIN. MOISTURE  
GRADUALLY DECREASES THROUGH THE END OF THE WEEK, WITH DRY CONDITIONS  
PREVAILING BY SUNDAY. MINIMUM HUMIDITY VALUES WILL GENERALLY BE IN  
THE 20 TO 30 PERCENT RANGE TODAY AND TOMORROW. COOLER TEMPERATURES  
SHOULD RETURN NEXT WEEK WITH HIGHS 5 TO 10 DEGREES BELOW AVERAGE.  
 

 
 
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