213
FNUS85 KVEF 180855
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
155 AM PDT WED MAR 18 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
LIGHT WINDS PERSIST UNTIL THE WEEKEND WHEN A WEAK SYSTEM BRINGS
SOME BREEZY SOUTHWEST WINDS. MEANWHILE, EARLY-SEASON HEAT BUILDS
THROUGHOUT THE WEEK WITH TEMPERATURES RUNNING 20-30 DEGREES ABOVE
NORMAL. AFTERNOON RH VALUES DROP BELOW 10% ACROSS MOST OF THE AREA
EACH DAY, WITH OVERNIGHT RECOVERIES GENERALLY BETWEEN 20-35%.
..DISCUSSION FROM LAXFWFSGX
RECORD STRONG HIGH PRESSURE FOR MARCH OVER A BROAD AREA WILL
CONTINUE TO WARM SOUTHWESTERN CALIFORNIA THE NEXT FEW DAYS WITH
WIDESPREAD RECORD HEAT FOR MARCH CONTINUING INTO THE WEEKEND FOR
INLAND AREAS. THROUGH FRIDAY, LOWEST DAYTIME HUMIDITY FOR INLAND
AREAS WILL RANGE FROM AROUND 10 PERCENT FOR THE DESERTS TO 10 TO
15 PERCENT FOR THE INLAND VALLEYS. FOR THE WEEKEND INTO EARLY NEXT
WEEK, HIGH PRESSURE ALOFT WILL SLOWLY WEAKEN AND WEAK ONSHORE
LOWER-LEVEL FLOW WILL RETURN WITH COOLING AND HIGHER COASTAL
HUMIDITY SPREADING INLAND. EVEN WITH THE COOLING, HIGH TEMPERATURES
FOR NEXT TUESDAY WILL RANGE FROM AROUND 5 TO 10 DEGREES ABOVE
AVERAGE NEAR THE COAST TO 12 TO 18 DEGREES ABOVE AVERAGE FOR INLAND
AREAS.
..DISCUSSION FROM PHXFWFPSR
VERY HOT AND DRY CONDITIONS ARE EXPECTED THROUGH THE END OF THE
WEEK. LOWER DESERT HIGHS WILL LIKELY REACH 100 DEGREES TODAY AND
TOP OUT NEAR 105 DEGREES THURSDAY-SATURDAY. MINRH LOWER FURTHER
STARTING TODAY DROPPING INTO THE SINGLE DIGITS, WHILE OVERNIGHT
RECOVERIES GRADUALLY LOWER TO 15-30% BY LATE WEEK. WINDS WILL BE
LIGHT, WITH TYPICAL AFTERNOON BREEZES, AND FOLLOW SEASONAL DIURNAL
TRENDS EACH DAY.
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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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ECC027-190300-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
155 AM PDT WED MAR 18 2026
LIGHT WINDS PERSIST UNTIL THE WEEKEND WHEN A WEAK SYSTEM BRINGS
SOME BREEZY SOUTHWEST WINDS. MEANWHILE, EARLY-SEASON HEAT BUILDS
THROUGHOUT THE WEEK WITH TEMPERATURES RUNNING 20-30 DEGREES ABOVE
NORMAL. AFTERNOON RH VALUES DROP BELOW 10% ACROSS MOST OF THE AREA
EACH DAY, WITH OVERNIGHT RECOVERIES GENERALLY BETWEEN 20-35%.
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