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FNUS86 KLOX 171855
FWLLOX

ECCDA Discussions
National Weather Service Los Angeles/Oxnard CA
1155 AM PDT Mon Aug 17 2026

ECC029-181300-
Los Padres National Forest-
Discussion for Vandenberg ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...Discussion from Monterey...

The marine layer has compressed to 1500 feet with  further
compression to around 1000 feet expected as ridging  pushes further
into the Desert Southwest. Overnight humidity  recoveries worsen
across the higher elevations this week due to  marine layer
compression with overnight recoveries peaking between 20 to
30 percent. Daytime humidity retention worsens as well with with
daytime RH values across the interior Central Coast dropping into
the teens to 20s and into the 20s to 30s across the interior Bay
Area. Conditions will be better for locations within the  marine
layer where overnight recoveries remain excellent and  daytime
humidity retention remains fair to excellent. Temperatures remain
near normal through the upcoming week. Diurnally breezy  onshore
winds continue across favored mountain gaps/passes, along  the
coast, and across the highest ridgelines.

Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.



...Discussion from Los Angeles/Oxnard...

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$

ECC028-181300-
Santa Barbara County excluding Los Padres National Forest-
Discussion for Santa Barbara ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$

ECC031-181300-
Angeles National Forest-
Discussion for Lancaster ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$

ECC024-181300-
San Luis Obispo County-
Discussion for San Luis Obispo ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$

ECC032-181300-
Ventura County excluding Los Padres National Forest-
Discussion for Ventura ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$

ECC030-181300-
Los Angeles County excluding Angeles National Forest-
Discussion for Los Angeles ECC Dispatch
1155 AM PDT Mon Aug 17 2026

...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...

...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM TODAY THROUGH
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY
CONDITIONS...

High pressure aloft will build over the region today and persist
through much of the week, brining warmer and drier conditions away
from the immediate coast. Temperatures will likely climb to between
100 and 106 degrees across hottest portions of the valleys, lower
mountains, and deserts from Tuesday through at least Thursday. This
combined with lower humidities, and the increased risk for large
plume dominated fire behavior will bring widespread elevated fire
weather conditions for the valleys, mountains, and deserts through
Friday. Mixing heights across the interior are expected to rise to
between 10,000 and 15,000 feet by midweek. There is some uncertainty
in the forecast for this weekend, but there is the potential for the
heat to persist across the interior. In addition, there is a
5-10 percent chance of monsoonal showers and thunderstorms across LA
county sometime between Friday and Sunday.


$$