422
FNUS86 KLOX 202315
FWLLOX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
315 PM PST MON JAN 20 2025
ECC029-211715-
LOS PADRES NATIONAL FOREST-
DISCUSSION FOR VANDENBERG ECC DISPATCH
315 PM PST MON JAN 20 2025
..DISCUSSION FROM MONTEREY
GUSTY OFFSHORE FLOW WILL PERSIST THROUGH MONDAY EVENING WITH THE
STRONGEST WINDS OVER THE NORTH AND EAST BAY HIGHER TERRAIN. THE
OFFSHORE FLOW WILL ALSO BRING DRY CONDITIONS WITH LOWER HUMIDITY.
WINDS WILL GRADUALLY EASE MONDAY NIGHT, BUT HUMIDITY VALUES WILL
REMAIN LOW. OTHERWISE, COOL AND DRY CONDITIONS THROUGH FRIDAY WITH
RAIN CHANCES RETURNING NEXT WEEKEND.
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.
..DISCUSSION FROM LOS ANGELES/OXNARD
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
ECC028-211715-
SANTA BARBARA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-
DISCUSSION FOR SANTA BARBARA ECC DISPATCH
315 PM PST MON JAN 20 2025
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
ECC031-211715-
ANGELES NATIONAL FOREST-
DISCUSSION FOR LANCASTER ECC DISPATCH
315 PM PST MON JAN 20 2025
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
ECC024-211715-
SAN LUIS OBISPO COUNTY-
DISCUSSION FOR SAN LUIS OBISPO ECC DISPATCH
315 PM PST MON JAN 20 2025
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
ECC032-211715-
VENTURA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-
DISCUSSION FOR VENTURA ECC DISPATCH
315 PM PST MON JAN 20 2025
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
ECC030-211715-
LOS ANGELES COUNTY EXCLUDING ANGELES NATIONAL FOREST-
DISCUSSION FOR LOS ANGELES ECC DISPATCH
315 PM PST MON JAN 20 2025
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND
VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY /
VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL
VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST /
WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS /
WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN
SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN
VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY
MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND
HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY
210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO
STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL
10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS
OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS
/ ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS /
SANTA CRUZ AND ANACAPA ISLANDS...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES...
...LONG DURATION OF WIDESPREAD EXTREMELY DRY CONDITIONS WITH PERIODS
OF STRONG AND GUSTY OFFSHORE WINDS THROUGH THURSDAY...
ANOTHER ACTIVE FIRE WEATHER PERIOD THIS WEEK WITH AT LEAST TWO
DISTINCT PERIODS OF MODERATE TO STRONG SANTA ANA WINDS, MAINLY OVER
LA/VENTURA COUNTIES. THIS FIRST IS GETTING STARTED TODAY AND PEAKING
TONIGHT INTO TUESDAY MORNING WITH 60 TO 80 MPH WIND GUSTS IN THE
MOUNTAINS AND POSSIBLY AS HIGH AS 100 MPH IN VERY ISOLATED MOUNTAIN
LOCATIONS. FOR COAST AND VALLEYS GUSTS OF 45 TO 65 MPH POSSIBLE
THROUGH TUESDAY MORNING. WITH THE STRONG AND DAMAGING WINDS AND
HUMIDITIES LOWERING TO THE SINGLE DIGITS, A PARTICULARLY DANGEROUS
SITUATION (PDS) RED FLAG WARNING IS IN EFFECT FOR MUCH OF VENTURA
AND LOS ANGELES COUNTIES FROM UNTIL 10AM TUESDAY.
IN ADDITIONAL TO THE TRADITIONAL AREAS OF SANTA ANA WINDS, THE
STRONG AND GUSTY WINDS AND DRY AIR MASS ARE EXPECTED TO SPREAD TO
THE PALOS VERDES HILLS AND OFF THE COAST TO THE CHANNEL ISLANDS AND
CATALINA ISLAND, AND A RED FLAG WARNING IS IN EFFECT FOR THESE
AREAS AS WELL.
SANTA ANA WINDS WILL WEAKEN AND DECREASE IN AREAL COVERAGE TUESDAY
AFTERNOON WITH EVEN A LIGHT SEA BREEZE EXPECTED AT SOME COASTAL
AREAS ALONG WITH RISING HUMIDITIES. HOWEVER, A CORE OF GUSTY WINDS
UP TO 45 MPH ARE POSSIBLE THROUGH THE DAY AND EVEN INTO WEDNESDAY
MORNING, PARTICULARLY OVER THE SANTA SUSANA AND WESTERN SANTA
MONICA MOUNTAINS.
THE NEXT WIDESPREAD INCREASE IN SANTA ANA WINDS IS EXPECTED TO BE
WEDNESDAY NIGHT INTO THURSDAY. WINDS ARE NOT EXPECTED TO BE AS
STRONG AS THE WINDS TONIGHT INTO TUESDAY MORNING, HOWEVER, DAYTIME
HUMIDITIES WILL STILL BE UNDER 10 PERCENT AND WITH WIND GUSTS TO
50 MPH FOR COAST/VALLEYS AND UP TO 60 MPH IN THE MOUNTAINS. A FIRE
WEATHER WATCH COVERS THE PERIOD FROM TUESDAY NIGHT THROUGH THURSDAY
EVENING. THIS ALMOST CERTAINLY WILL BE CONVERTED TO A RED FLAG
WARNING ON TUESDAY, THOUGH THE START TIME FOR SOME AREAS
PARTICULARLY NEAR THE COAST, MAY NEED SOME ADJUSTMENT DEPENDING ON
HOW LONG THE DECREASE IN WINDS LASTS.
ACROSS THE SANTA LUCIA AND INTERIOR SANTA BARBARA COUNTY MOUNTAINS,
GUSTY EAST WINDS UP TO 35 MPH ARE EXPECTED AT TIMES, STRONGEST
DURING THE OVERNIGHT AND MORNING HOURS. THIS MAY CAUSE BRIEF PERIODS
OF ELEVATED OR LOCALLY CRITICAL FIRE WEATHER CONDITIONS.
FRIDAY WILL BE QUICKLY TRANSITIONING TO ONSHORE FLOW WITH RISING
HUMIDITIES. OVER THE WEEKEND A LOW PRESSURE SYSTEM WILL CREATE A
CHANCE OF SHOWERS ACROSS THE AREA. PRELIMINARY RAIN AMOUNTS ARE A
QUARTER INCH OR LESS MOST AREAS WITH PEAK TOTALS AROUND A HALF INCH.
RAIN RATES ARE MOSTLY EXPECTED TO BE A TENTH OF AN INCH PER HOUR OR
LESS. HOWEVER, THERE IS A 5-10% CHANCE OF A THUNDERSTORM WITH
BRIEFLY HIGHER RATES THAT COULD GENERATE A DEBRIS FLOW IF IT FALLS
OVER A RECENTLY BURNED AREA.
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