Land Management Forecasts
Issued by NWS Los Angeles, CA

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ECCDA Discussions
National Weather Service Los Angeles/Oxnard CA
940 AM PDT Fri Aug 29 2025

ECC029-301045-
Los Padres National Forest-
Discussion for Vandenberg ECC Dispatch
940 AM PDT Fri Aug 29 2025

...Discussion from Monterey...

...ELEVATED FIRE WEATHER THREAT DUE TO LOW RH AND MODERATE WESTERLY
WINDS ACROSS THE EAST BAY HILLS SATURDAY AFTERNOON...

A building ridge will compress the marine layer, increase
temperatures, and decrease relative humidities beginning on
Saturday. Daytime humidity retention will drop below 15% in the
interior as temperatures reach the 90s. Elevated fire weather
threats will develop in the interior mountains, particularly in  the
East Bay, as the hot and dry conditions combine with breezy  and
gusty afternoon winds. Similar conditions are expected Sunday with
little to no improvement through the middle of the week.

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



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

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$

ECC028-301045-
Santa Barbara County excluding Los Padres National Forest-
Discussion for Santa Barbara ECC Dispatch
940 AM PDT Fri Aug 29 2025

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$

ECC031-301045-
Angeles National Forest-
Discussion for Lancaster ECC Dispatch
940 AM PDT Fri Aug 29 2025

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$

ECC024-301045-
San Luis Obispo County-
Discussion for San Luis Obispo ECC Dispatch
940 AM PDT Fri Aug 29 2025

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$

ECC032-301045-
Ventura County excluding Los Padres National Forest-
Discussion for Ventura ECC Dispatch
940 AM PDT Fri Aug 29 2025

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$

ECC030-301045-
Los Angeles County excluding Angeles National Forest-
Discussion for Los Angeles ECC Dispatch
940 AM PDT Fri Aug 29 2025

...SLIGHT CHANCE OF THUNDERSTORMS WITH ISOLATED DRY LIGHTNING STRIKES
POSSIBLE THIS AFTERNOON ACROSS THE EASTERN SAN GABRIELS...

...WARMING AND DRYING TREND DEVELOPING OVER THE HOLIDAY WEEKEND WITH
INCREASING MIXING HEIGHTS RESULTING IN ENHANCED RISK OF LARGE PLUME
DOMINATED FIRES ACROSS THE INTERIOR...

...ELEVATED TO BRIEF CRITICAL FIRE WEATHER CONDITIONS POSSIBLE
ACROSS  THE INTERIOR PORTIONS OF THE AREA EARLY NEXT WEEK...

Lingering mid level moisture and instability from Tropical Storm
Juliette will impact the region today, leading to a slight chance of
afternoon thunderstorms across the eastern San Gabriels, with the
main risks  being isolated dry lightning strikes and gusty downdraft
winds.  Any fire starts that could develop today will make initial
attack difficult due to erratic and gusty winds.

Temperatures will warm today through Tuesday as high pressure aloft
reestablishes and builds back into the Four Corners Region. Highs
in lower 90s to near 105 will be common inland by Sunday or Monday
with  mixing heights up to 15,000 feet potentially over the weekend.
As a result, there is an elevated risk for large plume dominated
fires across the interior. Humidities between 10 and 20 percent will
be common over the warmest valleys and mountains. Onshore winds will
also be increasing over the interior.


$$