067
FNUS85 KVEF 181046
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
346 AM PDT MON MAY 18 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
WINDS WILL DECREASE AREAWIDE THIS MORNING. THE EXCEPTION IS THE
COLORADO RIVER VALLEY, WHERE GUSTS BETWEEN 30 AND 40 MPH CONTINUE
THROUGH MIDDAY. TEMPERATURES START OFF 10 TO 15 DEGREES BELOW
NORMAL TODAY, REACHING NEAR NORMAL TEMPERATURES BY WEDNESDAY, THEN
10 TO 15 DEGREES ABOVE NORMAL BY FRIDAY. MINIMUM HUMIDITY VALUES
FALL TO THE TEENS AND SINGLE DIGITS EACH AFTERNOON.
..DISCUSSION FROM LAXFWFSGX
DRIER WITH COOLING FOR THE DESERTS TODAY WITH LOWEST DAYTIME
HUMIDITY AROUND 10 PERCENT AND WITH NORTH TO NORTHEAST WINDS GUSTING
TO 30 TO 40 MPH FOR THIS MORNING. MEANWHILE, HIGH TEMPERATURES FOR
THE COAST TO THE COASTAL SLOPES OF THE MOUNTAINS WILL WARM SEVERAL
DEGREES TODAY, AS MUCH AS 10 TO 15 DEGREES FOR THE INLAND EMPIRE.
WARMER FOR ALL AREAS ON TUESDAY WITH LOWEST DAYTIME HUMIDITY FOR
INLAND AREAS AROUND 10 PERCENT, BUT WITH WEAKER WINDS. THE COAST
AND VALLEYS WILL COOL ON WEDNESDAY WHILE THE MOUNTAINS AND DESERTS
CONTINUE TO WARM. THERE WILL BE SLIGHT DAY-TO-DAY DIFFERENCES FOR
THURSDAY THROUGH NEXT WEEKEND WITH HIGH TEMPERATURES A FEW TO
AROUND 5 DEGREES ABOVE AVERAGE.
..DISCUSSION FROM PHXFWFPSR
ELEVATED AND MARGINALLY CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED EARLY THIS MORNING ACROSS PORTIONS OF SOUTHEAST CA AS A
RESULT OF STRONG NORTHERLY WINDS AND DRY AIR FOLLOWING A FRONTAL
PASSAGE. CONDITIONS WILL IMPROVE BY LATE-MORNING/EARLY-AFTERNOON AS
NORTHERLY WINDS SUBSIDE. ELSEWHERE TODAY, WINDS WILL BE LIGHTER,
BUT STILL WITH PEAK SOUTHWESTERLY GUSTS UP TO 15-30 MPH ACROSS
SOUTH-CENTRAL AZ. MINIMUM RH VALUES TODAY WILL BE AROUND 5-10%
ACROSS WESTERN DISTRICTS TO 15-25% ACROSS EASTERN DISTRICTS.
TEMPERATURES WILL BE COOLEST, AND BELOW NORMAL, TODAY, WHICH WILL
RESULT LOWER MAX MIXING HEIGHTS MOST OF THE DAY (UP TO 6-8K FT
ABOVE GROUND LEVEL). TEMPERATURES WARM SLIGHTLY INTO TOMORROW, BUT
WILL REMAIN JUST BELOW NORMAL. CONDITIONS WILL REMAIN DRY TOMORROW
WITH MINIMUM RH VALUES AROUND 5-15%. OVERNIGHT RECOVERY TONIGHT
WILL POOR TO FAIR AT 20-40%. WINDS TOMORROW WILL BE LIGHTER WITH
TYPICAL AFTERNOON UPSLOPE BREEZES UP TO 15-25 MPH IN MOST AREAS.
THE ONLY EXCEPTION WILL BE ANOTHER BRIEF ENHANCED NORTHERLY WIND
DOWN THE COLORADO RIVER TOMORROW MORNING. THERE IS NO RAIN IN THE
FORECAST.
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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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ECC027-190500-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
346 AM PDT MON MAY 18 2026
WINDS WILL DECREASE AREAWIDE THIS MORNING. THE EXCEPTION IS THE
COLORADO RIVER VALLEY, WHERE GUSTS BETWEEN 30 AND 40 MPH CONTINUE
THROUGH MIDDAY. TEMPERATURES START OFF 10 TO 15 DEGREES BELOW
NORMAL TODAY, REACHING NEAR NORMAL TEMPERATURES BY WEDNESDAY, THEN
10 TO 15 DEGREES ABOVE NORMAL BY FRIDAY. MINIMUM HUMIDITY VALUES
FALL TO THE TEENS AND SINGLE DIGITS EACH AFTERNOON.
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