425
FNUS85 KVEF 201231
FWLVEF
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LAS VEGAS NV
431 AM PST MON JAN 20 2025
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM RNOFWFVEF
THE COLDEST AIRMASS OF THE SEASON ARRIVES TODAY AS A SYSTEM DROPS
IN FROM THE GREAT BASIN. THIS SYSTEM ALSO BRINGS GUSTY NORTH WINDS
OF 25 TO 40 MPH, WITH GUSTS OF 40-50 MPH IN THE COLORADO RIVER
VALLEY. AFTERNOON RH VALUES OF 10-20% IN THE AREA VALLEYS TODAY,
DROPPING TO 5-10% TUESDAY THROUGH FRIDAY. WINDS AND TEMPERATURES
MODERATE IN THE SECOND HALF OF THE WEEK AS WE EYE A PATTERN SHIFT
THIS WEEKEND, BRINGING INCREASED HUMIDITY AND PRECIPITATION CHANCES
TO THE REGION.
..DISCUSSION FROM LAXFWFSGX
MODERATE TO STRONG SANTA ANA WINDS WILL DEVELOP THIS AFTERNOON AND
CONTINUE INTO TUESDAY EVENING, PEAKING IN INTENSITY TONIGHT INTO
TUESDAY MORNING. WIDESPREAD WIND GUSTS OF 35-55 MPH WILL OCCUR
ACROSS THE COASTAL SLOPES OF THE MOUNTAINS AND INTO THE ADJACENT
VALLEYS, WITH LOCAL GUSTS OVER 75 MPH IN THE FAVORED PASSES,
CANYONS, AND COASTAL SLOPES. WINDS WILL INITIALLY BE NORTHEASTERLY,
BEGINNING LATE THIS MORNING AND SLOWLY SHIFTING TO EASTERLY,
FAVORING THE SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS AND ADJACENT
FOOTHILLS TUESDAY MORNING. MINIMUM RELATIVE HUMIDITY THIS AFTERNOON
WILL BE AROUND 10-15% WITH VERY POOR OVERNIGHT RECOVERY, ESPECIALLY
IN THE WIND PRONE AREAS. EXTREMELY DRY CONDITIONS ARE EXPECTED
TUESDAY THROUGH TUESDAY NIGHT, WITH MINIMUM HUMIDITY OF 5-8%
TUESDAY AFTERNOON, POTENTIALLY REMAINING IN THE SINGLE DIGITS IN
THE MOUNTAINS AND FOOTHILLS INTO TUESDAY NIGHT WITH POOR RECOVERY
ELSEWHERE. A PERIOD OF EXTREME FIRE WEATHER CONDITIONS IS LIKELY
ACROSS THE COASTAL SLOPES, FOOTHILLS, AND ADJACENT VALLEYS IN SAN
DIEGO COUNTY TUESDAY MORNING DUE TO THE COMBINATION OF WIND GUSTS
IN EXCESS OF 50 MPH AND SINGLE DIGIT RELATIVE HUMIDITY.
..DISCUSSION FROM PHXFWFPSR
TEMPERATURES SHOULD HOVER CLOSE TO THE SEASONAL NORMAL THROUGH THE
MIDDLE OF THIS WEEK WITH EXPANSIVE DRY AIR IN PLACE RESULTING IN NO
CHANCE OF WETTING RAINFALL. MINIMUM AFTERNOON HUMIDITY LEVELS WILL
GENERALLY BE IN THE 5-15% RANGE THIS WEEK AS DRIER AIR PERSISTS.
OVERNIGHT RECOVERIES WILL REMAIN POOR OF ONLY 15-30% THROUGH THIS
WEEK. WHILE SOME GUSTY NORTH WINDS RESULTING IN A PERIOD OF
ELEVATED FIRE DANGER WILL EXIST TODAY AND TONIGHT FOR THE WESTERN
DISTRICTS AND SOME HIGHER TERRAIN AREAS OF THE EASTERN DISTRICTS,
LIGHT WINDS WILL BECOME MORE COMMON OVER THE REMAINDER OF THE REGION
FOR THE REST OF THE WEEK.
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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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ECC027-210645-
SAN BERNARDINO ECC DISPATCH-
DISCUSSION FOR SAN BERNARDINO ECC DISPATCH
431 AM PST MON JAN 20 2025
THE COLDEST AIRMASS OF THE SEASON ARRIVES TODAY AS A SYSTEM DROPS
IN FROM THE GREAT BASIN. THIS SYSTEM ALSO BRINGS GUSTY NORTH WINDS
OF 25 TO 40 MPH, WITH GUSTS OF 40-50 MPH IN THE COLORADO RIVER
VALLEY. AFTERNOON RH VALUES OF 10-20% IN THE AREA VALLEYS TODAY,
DROPPING TO 5-10% TUESDAY THROUGH FRIDAY. WINDS AND TEMPERATURES
MODERATE IN THE SECOND HALF OF THE WEEK AS WE EYE A PATTERN SHIFT
THIS WEEKEND, BRINGING INCREASED HUMIDITY AND PRECIPITATION CHANCES
TO THE REGION.
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