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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
209 PM PDT Wed Aug 26 2026

...RED FLAG WARNING IN EFFECT THROUGH 3 PM FRIDAY FOR MANY
INTERIOR PORTIONS OF SOUTHWEST CALIFORNIA DUE TO EXTREME HEAT AND
INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND LOW HUMIDITIES...

.A very hot and unstable air mass combined with locally gusty
winds and low humidities will bring a significant risk of large
plume dominated fires with rapid spread and extreme fire
behavior.

CAZ238-345-353-376>379-271700-
/O.CON.KLOX.FW.W.0003.000000T0000Z-260828T2200Z/
Cuyama Valley-San Luis Obispo County Mountains-
Santa Barbara County Interior Mountains-
Southern Ventura County Mountains-
Northern Ventura County Mountains-Interstate 5 Corridor-
Western San Gabriel Mountains and Highway 14 Corridor-
209 PM PDT Wed Aug 26 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY FOR
EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND
LOW HUMIDITIES FOR THE INTERIOR MOUNTAINS AND ADJACENT FOOTHILLS
OF LOS ANGELES, VENTURA, SANTA BARBARA, AND SAN LUIS OBISPO
COUNTIES, AND CUYAMA VALLEY...

* TEMPERATURES...Highs 100 to 110 across the lower mountains,
  adjacent foothills and the Cuyama Valley, and 85 to 95 across
  higher mountains. Lows in the mid 70s to mid 80s common in the
  mountains and foothills.

* INSTABILITY...Very deep mixing heights of 12,000 to 20,000
  feet today through Thursday, slightly lower on Friday.

* WINDS...Local northwest to north winds 15 to 25 mph with gusts
  up to 35 mph at times, strongest across the I-5 and Highway 33
  corridors. A slightly stronger northerly wind push is possible
  late Thursday night into Friday morning, with gusts up to 40
  mph possible across the I-5 corridor.

* RELATIVE HUMIDITY...Minimum humidities 10 to 20 percent each
  day, with isolated values as low as 8 percent today and
  Thursday. Poor recoveries overnight hours in the mountains and
  foothills with humidities in the 15 to 30 percent range.

* IMPACTS...There is a significant risk of large plume dominated
  fires with rapid fire spread and extreme fire behavior. There
  is a history of large plume dominated fires this time of year
  with similar weather and fuel conditions, including the
  Bridge, Bobcat, and Station fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
will occur shortly. Use extreme caution with anything that can
spark a wildfire. Residents near wildland interfaces should be
prepared to evacuate if a wildfire breaks out. See
readyforwildfire.org and wildfirerisk.org for information.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
209 PM PDT Wed Aug 26 2026

...RED FLAG WARNING IN EFFECT THROUGH 3 PM FRIDAY FOR MANY
INTERIOR PORTIONS OF SOUTHWEST CALIFORNIA DUE TO EXTREME HEAT AND
INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND LOW HUMIDITIES...

.A very hot and unstable air mass combined with locally gusty
winds and low humidities will bring a significant risk of large
plume dominated fires with rapid spread and extreme fire
behavior.

CAZ375-380-271700-
/O.CON.KLOX.FW.W.0003.000000T0000Z-260828T2200Z/
Santa Susana Mountains-Eastern San Gabriel Mountains-
209 PM PDT Wed Aug 26 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY FOR
EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND
LOW HUMIDITIES FOR THE EASTERN SAN GABRIEL MOUNTAINS AND SANTA
SUSANA MOUNTAINS...

* TEMPERATURES...Highs 96 to 106 across the lower elevations.
  Highs 85 to 95 common across the higher mountains. Lows in the
  mid 70s to mid 80s common in the mountains and foothills.

* INSTABILITY...Very deep mixing heights of 12,000 to 18,000
  feet today through Thursday, slightly lower on Friday.

* WINDS...Southwest 10 to 20 mph with gusts 20 to 30 mph each
  afternoon into early evening.

* RELATIVE HUMIDITY...Minimum humidities 10 to 20 percent each
  day, Poor recoveries overnight hours in the mountains and
  foothills with humidities in the 15 to 30 percent range.

* IMPACTS...There is a significant risk of large plume dominated
  fires with rapid fire spread and extreme fire behavior. There
  is a history of large plume dominated fires this time of year
  with similar weather and fuel conditions, including the
  Bridge, Bobcat, and Station fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
will occur shortly. Use extreme caution with anything that can
spark a wildfire. Residents near wildland interfaces should be
prepared to evacuate if a wildfire breaks out. See
readyforwildfire.org and wildfirerisk.org for information.

&&

$$

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Silver Spring, MD 20910
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Page last modified: June 2, 2009
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