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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT WED OCT 1 2014

CAZ034>041-044>046-051>054-059-087-088-547-548-021300-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
600 AM PDT WED OCT 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY AND TONIGHT

A FIRE WEATHER WATCH IS IN EFFECT BEGINNING LATE TONIGHT THROUGH
FRIDAY EVENING. THIS WATCH MAY BE UPGRADED TO A RED FLAG WARNING AT
SOME POINT TODAY. THIS WATCH WAS ISSUED FOR GUSTY OFFSHORE WINDS AND
LOW RELATIVE HUMIDITIES ACROSS THE LOS ANGELES AND VENTURA COUNTY
MOUNTAINS AND VALLEYS. A SPECIAL WEATHER STATEMENT WILL HIGHLIGHT
THIS UPCOMING WIND AND HOT TEMPERATURE EVENT.

* FIRE WEATHER WATCH.........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY

A FIRE WEATHER WATCH WILL REMAIN IN EFFECT THROUGH AT LEAST FRIDAY
EVENING. THERE WILL BE THE POSSIBILITY THAT THIS WATCH OR AT SOME
POINT A RED FLAG WARNING MIGHT NEED TO BE EXTENDED INTO THE WEEKEND.
THIS WATCH WAS ISSUED FOR GUSTY OFFSHORE WINDS AND LOW RELATIVE
HUMIDITIES ACROSS THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND
VALLEYS. A SPECIAL WEATHER STATEMENT WILL HIGHLIGHT THIS UPCOMING
WIND AND HOT TEMPERATURE EVENT.

* FIRE WEATHER WATCH.........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

KAPLAN






Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
347 AM PDT WED OCT 1 2014

CAZ034>041-044>046-051>054-059-087-088-547-548-020415-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS-
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
347 AM PDT WED OCT 1 2014

...HOT...DRY AND BREEZY WEATHER WITH ELEVATED FIRE DANGER ACROSS
SOUTHWEST CALIFORNIA TONIGHT THROUGH EARLY NEXT WEEK...

AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BEGIN TO BUILD OVER THE
WEST COAST TODAY INTO THURSDAY...BRINGING A SIGNIFICANT WARMING AND
DRYING TREND TO SOUTHWEST CALIFORNIA THROUGH EARLY NEXT WEEK. IN
ADDITION...WEAK TO MODERATE OFFSHORE WINDS ARE EXPECTED TO DEVELOP
OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS TODAY
INTO THURSDAY...AND PERSIST THROUGH FRIDAY.

AFTERNOON HIGH TEMPERATURES WILL RISE INTO THE 80S TO MID 90S
ACROSS THE COAST AND VALLEYS BY THURSDAY...AND TO AROUND 90 TO
THE LOWER 100S BY FRIDAY. THE HEAT IS EXPECTED TO PEAK ON SATURDAY
WITH VALLEY HIGHS RANGING BETWEEN 100 TO 106 DEGREES. OVERNIGHT LOWS
ARE EXPECTED TO REMAIN RATHER WARM...IN THE LOWER TO MID 70S ACROSS
THE ELEVATED WIND PRONE VALLEYS AND LOWER MOUNTAIN ELEVATIONS.
OFFSHORE WINDS ARE EXPECTED TO PEAK THURSDAY MORNING ACROSS LOS
ANGELES AND VENTURA COUNTIES WITH NORTHEAST GUSTS UP TO 35 MPH IN
THE VALLEYS AND UP TO 45 MPH IN THE MOUNTAINS...LOCALLY TO 50 MPH
ACROSS THE SANTA MONICA MOUNTAINS ABOVE POINT MUGU. A DRYING AIR
MASS IS EXPECTED ACROSS ALL OF SOUTHWEST CALIFORNIA WITH RELATIVE
HUMIDITIES FALLING INTO THE LOWER TEENS BY THURSDAY AND INTO THE
SINGLE DIGITS FOR LOCATIONS AWAY FROM THE COAST FRIDAY THROUGH
SUNDAY.

THE COMBINATION OF RISING TEMPERATURES...LOW HUMIDITY AND OFFSHORE
WINDS IN COMBINATION WITH CRITICALLY DRY VEGETATION WILL BRING
ELEVATED FIRE DANGER TO MUCH OF SOUTHWEST CALIFORNIA LATE WEDNESDAY
THROUGH THIS WEEKEND...AND POSSIBLY INTO EARLY NEXT WEEK. THE
HIGHEST FIRE DANGER IS EXPECTED TO BE ACROSS THE LOS ANGELES AND
VENTURA COUNTY MOUNTAINS AND VALLEYS WHERE THE STRONGEST NORTHEAST
WINDS ARE LIKELY TO OCCUR. (SEE LAXRFWLOX FOR DETAILS).

$$

KAPLAN/SMITH/RAT









Fire Weather Watch

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1252 PM PDT TUE SEP 30 2014

...CRITICAL FIRE WEATHER CONDITIONS LIKELY WEDNESDAY NIGHT
THROUGH FRIDAY EVENING FOR THE LOS ANGELES AND VENTURA COUNTY
MOUNTAINS AND VALLEYS DUE TO LOW HUMIDITIES AND GUSTY NORTHEAST
WINDS...

.AN UPPER LEVEL RIDGE BUILDING OVER THE REGION WILL BRING AN
EXTENDED PERIOD OF VERY HOT AND DRY CONDITIONS TO SOUTHWEST
CALIFORNIA STARTING THURSDAY AND CONTINUING THROUGH THE WEEKEND.
IN ADDITION...GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP AS
EARLY AS WEDNESDAY MORNING...PEAKING WEDNESDAY NIGHT INTO THURSDAY
MORNING WITH GUSTS UP TO 40 MPH IN THE MOUNTAINS AND UP TO 30 MPH
ACROSS THE VALLEYS. THE WINDS ARE LIKELY TO DIMINISH SOME THURSDAY
AFTERNOON AND THEN STRENGTHEN AGAIN THURSDAY NIGHT INTO FRIDAY
MORNING. HUMIDITIES WILL LOWER RAPIDLY WEDNESDAY NIGHT AND
CONTINUE FALLING THURSDAY WITH WIDESPREAD VALUES AT OR BELOW 10
PERCENT.

THE COMBINATION OF HIGH TEMPERATURES...LOW HUMIDITY AND GUSTY
WINDS ARE LIKELY TO BRING CRITICAL FIRE WEATHER CONDITIONS TO THE
LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS. THERE IS A
POSSIBILITY THAT A FEW HOURS OF CRITICAL CONDITIONS WILL SPREAD
TO THE VENTURA COUNTY COASTAL PLAIN THURSDAY MORNING. THE HOT AND
DRY CONDITIONS ARE EXPECTED TO PERSIST INTO EARLY NEXT WEEK.

CAZ244-245-288-547-548-011700-
/O.CON.KLOX.FW.A.0008.141002T0700Z-141004T0200Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
1252 PM PDT TUE SEP 30 2014

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH FRIDAY EVENING FOR THE LOS ANGELES AND VENTURA COUNTY
VALLEYS FOR LOW HUMIDITIES AND GUSTY NORTHEAST WINDS...

* WINDS...POTENTIAL FOR NORTHEAST WINDS INCREASING TO 15 TO 25
  MPH WITH GUSTS UP TO 30 MPH LATE WEDNESDAY NIGHT THROUGH
  THURSDAY MORNING. THE WINDS MAY DIMINISH SOME THURSDAY
  AFTERNOON BEFORE INCREASING AGAIN THURSDAY NIGHT.

* RELATIVE HUMIDITY...HUMIDITIES IN THE LOWER TEENS TO UPPER
  SINGLE DIGITS WILL BE POSSIBLE THURSDAY. POOR HUMIDITY
  RECOVERIES ARE LIKELY THURSDAY NIGHT...WITH WIDESPREAD SINGLE
  DIGIT HUMIDITIES POSSIBLE FRIDAY.

* TEMPERATURES...WIDESPREAD 90S THURSDAY...AND INTO THE LOWER
  100S ON FRIDAY.

* IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...IF FIRE IGNITION
  OCCURS THERE COULD BE RAPID SPREAD OF WILDFIRE THAT WOULD LEAD
  TO A THREAT TO LIFE AND PROPERTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR
FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH. LISTEN FOR
LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.

&&

$$

MW





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Page last modified: May 16, 2007
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