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FNUS86 KLOX 252143
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ECCDA Discussions
National Weather Service Los Angeles/Oxnard CA
243 PM PDT Fri Apr 25 2025

ECC029-261545-
Los Padres National Forest-
Discussion for Vandenberg ECC Dispatch
243 PM PDT Fri Apr 25 2025

...Discussion from Monterey...

Partly to mostly cloudy skies should translate to shading across
the area through a good portion of the weekend. There will be
opportunities for rain showers, especially across the extreme
northern portions of the North Bay and across the Central Coast
tonight through early Sunday. Isolated thunderstorms are also
forecast on Saturday and Saturday afternoon mainly across the
Central Coast. Afternoon RH will range between 40% across the
interior regions to above 60% elsewhere this weekend. Overnight
humidity recovery will be excellent and largely above 80% for most
locations. Drier conditions are forecast during the work week
with afternoon RH falling down into the 35% to 45% range across
the interior to 60% to 80%. Overnight humidity recovery above 70%
are still forecast next week.

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



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

...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$

ECC028-261545-
Santa Barbara County excluding Los Padres National Forest-
Discussion for Santa Barbara ECC Dispatch
243 PM PDT Fri Apr 25 2025



...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$

ECC031-261545-
Angeles National Forest-
Discussion for Lancaster ECC Dispatch
243 PM PDT Fri Apr 25 2025



...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$

ECC024-261545-
San Luis Obispo County-
Discussion for San Luis Obispo ECC Dispatch
243 PM PDT Fri Apr 25 2025



...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$

ECC032-261545-
Ventura County excluding Los Padres National Forest-
Discussion for Ventura ECC Dispatch
243 PM PDT Fri Apr 25 2025



...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$

ECC030-261545-
Los Angeles County excluding Angeles National Forest-
Discussion for Los Angeles ECC Dispatch
243 PM PDT Fri Apr 25 2025



...WETTING RAINS LIKELY SATURDAY AS A RELATIVELY WEAK STORM
SYSTEM MOVES THROUGH THE REGION...

...SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON MAINLY
NORTHERN AREAS...

A cold upper level low and relatively weak surface front will
bring a 60-80 percent chance wetting rain to much of the area on
Saturday, although some light rain is expected to start along the
Central Coast late tonight. Snow levels are expected to lower to
around 5000 feet on Saturday with several inches of accumulating
snow possible above about 5500 feet. There is also a slight chance
of thunderstorms Saturday afternoon for the interior areas of San
Luis Obispo and Santa Barbara Counties as well as the northern
Ventura County Mountains and the Interstate 5 corridor over the
northwest Los Angeles County mountains. Rainfall amounts of one
quarter to three quarters of an inch are expected through early
Saturday evening, with the highest amounts likely on the south-
facing slopes.

Dry weather is expected in all areas Sunday through Wednesday.
There should be some leftover clouds on Sunday, then becoming
mostly clear for Monday and Tuesday. Marine layer clouds should
return to the coast and some valleys Tuesday night and Wednesday.
Gradually warmer conditions are forecast through the period.
Breezy to gusty northwest to north winds can be expected at times
through Tuesday then onshore flow should increase some on
Wednesday. Lowering daytime humidities will develop over the
region by Tuesday, with minimum humidities dropping into the 15-30
percent range over interior areas.


$$