603
FNUS85 KVEF 211104
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
404 AM PDT THU AUG 21 2025
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
HOTTER THAN NORMAL TEMPERATURES WILL CONTINUE THROUGH THE END OF THE
WEEK WITH TEMPERATURES COOLING AS WE HEAD INTO NEXT WEEK. MOISTURE
WILL CONTINUE TO PUSH INTO THE REGION, BRINGING INCREASED CHANCES
FOR SHOWERS AND THUNDERSTORMS WITH IT. ISOLATED SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE IN MOHAVE AND LINCOLN COUNTIES TODAY,
WITH CHANCES FOR CONVECTION BECOMING MORE WIDESPREAD FRIDAY THROUGH
THE WEEKEND. OUTSIDE OF THE POTENTIAL FOR OUTFLOW WINDS, NO
SIGNIFICANT WINDS ARE EXPECTED THROUGH THE PERIOD.
..DISCUSSION FROM LAXFWFSGX
THE HEAT IS EXPECTED TO PEAK FOR MOST AREAS TODAY AND FRIDAY WITH
SLIGHT COOLING FOR THE WEEKEND AND CONTINUED COOLING EARLY NEXT WEEK
TO AROUND AVERAGE FOR THE MIDDLE OF NEXT WEEK. MONSOONAL MOISTURE
WILL INCREASE INTO THE WEEKEND WITH INCREASING CHANCES FOR SHOWERS
AND THUNDERSTORMS OVER THE WEEKEND, MOST LIKELY DURING THE
AFTERNOON AND EARLY EVENING, AND MOSTLY FOR THE MOUNTAINS AND
DESERTS. THERE WILL BE GRADUAL DRYING OF THE MONSOONAL MOISTURE FOR
THE MIDDLE AND LATTER PART OF NEXT WEEK WITH DECREASING CHANCES FOR
SHOWERS AND THUNDERSTORMS.
..DISCUSSION FROM PHXFWFPSR
WELL ABOVE NORMAL TEMPERATURES ARE EXPECTED THROUGH AT LEAST THE
NEXT COUPLE OF DAYS AS TEMPERATURES APPROACH RECORD LEVELS.
ADDITIONALLY, MOISTURE WILL CONTINUE TO INCREASE ACROSS THE AREA,
LEADING TO INCREASING THUNDERSTORM CHANCES. BEST SHOWER AND STORM
CHANCES THIS AFTERNOON AND EVENING WILL BE ACROSS THE HIGHER
TERRAIN EAST OF PHOENIX (30-60%), HOWEVER THERE IS A 10-20% CHANCE
THAT SOME ISOLATED SHOWERS AND STORMS COULD SURVIVE INTO THE LOWER
DESERTS OF SOUTH-CENTRAL AZ, INCLUDING THE PHOENIX METRO. TOMORROW,
SHOWER AND STORM CHANCES MOVE INTO SE CA AND SW AZ, WITH A 30-50%
CHANCE ACROSS THE HIGHER TERRAIN EAST OF PHOENIX, A 20-30% CHANCE
ACROSS THE LOWER DESERTS OF SOUTH- CENTRAL AZ, INCLUDING PHOENIX,
AND A 20-40% CHANCE ACROSS SE CA AND SW AZ. THE PRIMARY THREATS
WITH ANY STRONGER THUNDERSTORMS WILL BE LOCALIZED HEAVY DOWNPOURS,
LIGHTNING, AND GUSTY, ERRATIC OUTFLOW WINDS. CHANCES FOR SEEING
OUTFLOW WIND GUSTS IN EXCESS OF 35 MPH TODAY (TOMORROW) CLIMB
UPWARDS OF 70% (30-50%) FOR SOUTHERN GILA, EASTERN MARICOPA, AND NW
PINAL COUNTIES, WITH A 10% CHANCE OF SEEING GUSTS IN EXCESS OF
58 MPH TODAY AND TOMORROW. OUTSIDE OF ANY THUNDERSTORMS, WINDS WILL
OVERALL CONTINUE TO FAVOR DIURNAL UPSLOPE/DOWNVALLEY PATTERNS WITH
OCCASIONAL AFTERNOON GUSTS AROUND 15-20 MPH. MIN RHS WILL REMAIN
AROUND 15-25% OVER THE NEXT COUPLE OF DAYS, WHILE OVERNIGHT MAX RHS
INCREASE TO UPWARDS OF 30-50% FOR MOST AREAS.
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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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ECC027-220515-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
404 AM PDT THU AUG 21 2025
HOTTER THAN NORMAL TEMPERATURES WILL CONTINUE THROUGH THE END OF THE
WEEK WITH TEMPERATURES COOLING AS WE HEAD INTO NEXT WEEK. MOISTURE
WILL CONTINUE TO PUSH INTO THE REGION, BRINGING INCREASED CHANCES
FOR SHOWERS AND THUNDERSTORMS WITH IT. ISOLATED SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE IN MOHAVE AND LINCOLN COUNTIES TODAY,
WITH CHANCES FOR CONVECTION BECOMING MORE WIDESPREAD FRIDAY THROUGH
THE WEEKEND. OUTSIDE OF THE POTENTIAL FOR OUTFLOW WINDS, NO
SIGNIFICANT WINDS ARE EXPECTED THROUGH THE PERIOD.
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