265
FNUS85 KVEF 202022
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
122 PM PDT TUE OCT 20 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
LOWER FIRE WEATHER RISK THE NEXT FEW DAYS DUE TO INCREASING MOISTURE
AND THE CHANCE FOR SHOWERS AND STORMS. MIN RH FALLS INTO THE 25-35%
RANGE IN DESERT VALLEYS BUT REMAINS HIGHER 45-60% IN HIGHER
ELEVATIONS. INCREASING MOISTURE WILL RESULT IN EVEN GREATER MIN RH
VALUES THE NEXT SEVERAL DAYS WITH OVERNIGHT RECOVERY RH NEARING
100%, ESPECIALLY AT HIGHER ELEVATIONS. THERE IS A THREAT FOR DAILY
SHOWERS AND THUNDERSTORMS FOR THE LOWER GREAT BASIN, THE SIERRA,
AND NORTHERN MOHAVE COUNTY TODAY THROUGH THURSDAY. HEAVY RAIN, FLASH
FLOODING, GUSTY WINDS, AND LIGHTNING ARE THREATS WITH ANY STORM.
WIDESPREAD WETTING RAIN IS LIKELY THROUGH THE END OF THE WEEK, WITH
THE EXCEPTION OF THE MOJAVE DESERT VALLEYS WHERE RAINFALL AMOUNTS
WILL BE THE LOWEST. WIND GUSTS OF 20-35 MPH POSSIBLE EACH DAY THIS
WEEK, PEAKING THURSDAY.
..DISCUSSION FROM LAXFWFSGX
A LOW PRESSURE SYSTEM MOVING SOUTHWARD OFF THE CALIFORNIA COAST
WILL SPREAD COOLING AND HIGHER COASTAL HUMIDITY INLAND THROUGH
THURSDAY. IT IS EXPECTED TO BRING SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS FOR LATE WEDNESDAY THROUGH THURSDAY AS IT MOVES
INLAND THROUGH CALIFORNIA INTO NEVADA. THE CHANCE OF WETTING RAIN
EXCEEDS 90 PERCENT FOR THE COAST TO THE MOUNTAINS. THERE WILL BE
STRONGER SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS ON
THURSDAY WITH THE STRONGER GUSTS TO 40 MPH. THEN WARMER AND DRIER
FOR NEXT WEEKEND. OFFSHORE FLOW ON SATURDAY COULD PRODUCE NORTHEAST
TO EAST WINDS GUSTING 30 TO 40 MPH IN AND BELOW MOUNTAIN PASSES AND
CANYONS AS WELL AS THE INLAND EMPIRE CORRIDOR BETWEEN THE CAJON
PASS AND THE SANTA ANA MOUNTAINS. THE OFFSHORE FLOW WEAKENS ON
SUNDAY.
..DISCUSSION FROM PHXFWFPSR
WIND SPEEDS TODAY WILL GENERALLY REMAIN LIGHT WITH LIMITED AFTERNOON
GUSTINESS BEFORE INCREASING TOWARDS THE MIDDLE OF THE WEEK AHEAD OF
AN APPROACHING WEATHER SYSTEM. MAINLY DRY CONDITIONS WILL PREVAIL
THIS AFTERNOON BEFORE RAIN CHANCES INCREASE SUBSTANTIALLY WEDNESDAY
AND THURSDAY WITH SIGNIFICANT RAINFALL AMOUNTS, IN EXCESS OF 1.00",
LIKELY ACROSS THE HIGHER TERRAIN AREAS OF THE EASTERN DISTRICTS.
MINRHS TODAY WILL RANGE BETWEEN 30-50% BEFORE INCREASING ABOVE
50-60% ACROSS THE EASTERN DISTRICTS WEDNESDAY AND THURSDAY ALONG
WITH GOOD TO EXCELLENT OVERNIGHT RECOVERIES. TEMPERATURES WILL BE
IN A NEAR NORMAL RANGE TOMORROW BEFORE FALLING INTO A BELOW NORMAL
CATEGORY BY THE END OF THE WEEK AND LASTING THROUGH THE WEEKEND.
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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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ECC027-211430-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
122 PM PDT TUE OCT 20 2026
LOWER FIRE WEATHER RISK THE NEXT FEW DAYS DUE TO INCREASING MOISTURE
AND THE CHANCE FOR SHOWERS AND A FEW STORMS. MIN RH FALLS INTO
THE 25-35% RANGE IN DESERT VALLEYS BUT REMAINS HIGHER 45-60% IN
HIGHER ELEVATIONS. INCREASING MOISTURE WILL RESULT IN EVEN GREATER
MIN RH VALUES THE NEXT SEVERAL DAYS WITH OVERNIGHT RECOVERY RH
75-95%, ESPECIALLY AT HIGHER ELEVATIONS. THERE IS A THREAT FOR
DAILY SHOWERS AND STORMS PRIMARILY IN NORTHWESTERN SAN BERNARDINO
COUNTY TUES AND WEDNESDAY, THEN OVERSPREADING THE ENTIRE COUNTY
THURSDAY. WETTING RAIN IS POSSIBLE ESPECIALLY AT HIGHER TERRAIN IN
THE NORTHWEST PORTION OF THE COUNTY. WIND GUSTS 25-35 MPH POSSIBLE
THURSDAY AND FRIDAY.
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