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ECCDA Discussions
National Weather Service Los Angeles/Oxnard CA
331 PM PDT Mon Apr 21 2025

ECC029-221645-
Los Padres National Forest-
Discussion for Vandenberg ECC Dispatch
331 PM PDT Mon Apr 21 2025

...Discussion from Monterey...

Afternoon winds will build inland, especially along ridge. Night
time RH recoveries are expected to be high and widespread due to
another resurgence of marine moisture. Light winds overnight will
help this as well. Daytime high temperatures tomorrow will be
higher with inland valleys reaching 80F or so. This pattern will
continue through midweek before a shift to weather pattern will
cause a decrease of temperatures and stronger winds inland at the
end of the coming work week into the weekend.


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



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

A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$

ECC028-221645-
Santa Barbara County excluding Los Padres National Forest-
Discussion for Santa Barbara ECC Dispatch
331 PM PDT Mon Apr 21 2025



A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$

ECC031-221645-
Angeles National Forest-
Discussion for Lancaster ECC Dispatch
331 PM PDT Mon Apr 21 2025



A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$

ECC024-221645-
San Luis Obispo County-
Discussion for San Luis Obispo ECC Dispatch
331 PM PDT Mon Apr 21 2025



A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$

ECC032-221645-
Ventura County excluding Los Padres National Forest-
Discussion for Ventura ECC Dispatch
331 PM PDT Mon Apr 21 2025



A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$

ECC030-221645-
Los Angeles County excluding Angeles National Forest-
Discussion for Los Angeles ECC Dispatch
331 PM PDT Mon Apr 21 2025



A trough building into the region will gradually deepen the marine
through Thursday with marine influence likely expanding into coastal
facing mountain slopes by then. Increasing onshore winds are
expected, peaking in the 30 to 50 mph range for interior valleys and
lower mountains by Thursday and possible continuing into Friday.
Pockets of min humidity of 8 to 15 percent are possible at high
elevations and  driest interior areas through Wednesday before
becoming relegated to the highest elevations beginning Thursday and
potentially continuing into the weekend with min humidity of 20 to
40 percent becoming common for the  interior due to the increased
marine influence.

There is less than a 20 percent chance of a wetting rain Saturday
for the Central Coast, especially San Luis Obispo County, with
drizzle possible for  non desert areas to the south.


$$