951  
FNUS85 KVEF 062030  
FWLVEF  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
ISSUED BY NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
130 PM PDT TUE JUN 6 2023  
 
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
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..DISCUSSION FROM RNOFWFVEF
 
 
THE SLOW-MOVING CLOSED LOW OVER SOUTH-CENTRAL CALIFORNIA WILL MAKE  
VERY LITTLE EASTWARD PROGRESS AS IT WEAKENS OVER THE NEXT 48 HOURS.  
AN INCREASE IN THUNDERSTORM ACTIVITY IS EXPECTED OVER SOUTHEAST  
CALIFORNIA AND SOUTHERN NEVADA ON WEDNESDAY, BEFORE DECREASING  
AGAIN ON THURSDAY. THE PERIOD OF WELL-BELOW TEMPERATURES AND  
UNSETTLED WEATHER WILL CONTINUE, AS ANOTHER LOW PRESSURE SYSTEM IS  
EXPECTED TO IMPACT THE AREA ALONG A SIMILAR TRACK LATE THIS WEEKEND  
AND EARLY NEXT WEEK.  
 
   
..DISCUSSION FROM LAXFWFSGX
 
 
A DEEP MARINE LAYER WILL BE IN PLACE TONIGHT, DEEP ENOUGH FOR AREAS  
OF DRIZZLE WEST OF THE MOUNTAINS WEDNESDAY MORNING. AN UPPER LOW  
NEAR PT CONCEPTION MAY TRIGGER A THUNDERSTORM OR TWO OVER THE SAN  
BERNARDINO MOUNTAINS AND DESERTS THIS EVENING AND ON WEDNESDAY.  
GUSTY WEST WINDS WILL IMPACT THE MOUNTAINS AND DESERTS THIS  
AFTERNOON AND EVENING. THURSDAY AND FRIDAY WILL BE WARMER WITH  
LIGHTER WINDS. ANOTHER TROUGH MOVING WILL BRING BACK THE DEEP  
MARINE LAYER AND GUSTY MOUNTAIN AND DESERT WINDS.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS WILL BE  
POSSIBLE ACROSS MUCH OF SOUTH-CENTRAL ARIZONA THIS AFTERNOON,  
ESPECIALLY ACROSS THE SOUTHERN GILA COUNTY HIGH TERRAIN. WIND GUSTS  
UPWARDS OF 25-35 MPH WILL BE COMMON IN THESE AREAS WITH VERY LOW MIN  
RHS AROUND 5-10% AND THUS WILL PROMOTE THE INCREASED FIRE WEATHER  
CONCERNS. STRONG WINDS GUSTING IN EXCESS OF 40 MPH WILL BE POSSIBLE  
LATER TODAY AND INTO THE OVERNIGHT HOURS IN THE SOUTHWEST CORNER OF  
IMPERIAL COUNTY. LIGHTER WINDS ARE EXPECTED FOR WEDNESDAY WITH MIN  
RHS AROUND 5-10% ACROSS SOUTH-CENTRAL ARIZONA AND 15-25% ACROSS  
SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA.  
 
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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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ECC027-071430-  
SAN BERNARDINO ECC DISPATCH-  
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH  
130 PM PDT TUE JUN 6 2023  
 
LOW PRESSURE SYSTEM OVER CALIFORNIA WILL SLOWLY WEAKEN AND MOVE TO  
THE EAST, BRINGING SOUTHWEST TO WEST WINDS (GUSTING TO 25 MPH)  
OVER MOUNTAINS AND DESERTS DURING THE AFTERNOON AND EVENING.  
EXPECT SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS  
IN INYO COUNTY AND SAN BERNARDINO COUNTY ON WEDNESDAY, DRYING OUT  
AND WARMING ON THURSDAY. TEMPERATURES WILL BE 5 TO 10 DEGREES  
WARMER BY FRIDAY AND SATURDAY. ANOTHER LOW PRESSURE SYSTEM FROM  
THE WEST WILL BRING COOLING ON SUNDAY INTO NEXT WEEK, WITH  
STRONGER AND GUSTY WINDS IN THE MOUNTAINS AND DESERTS, AND A  
CHANCE OF HIGH ELEVATION SHOWERS AND THUNDERSTORMS SUNDAY AND  
MONDAY.  
 

 
 
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