Land Management Forecasts
Issued by NWS Los Angeles, CA

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ECCDA Discussions
National Weather Service Los Angeles/Oxnard CA
337 PM PDT Mon Jul 24 2017

ECC029-251645-
Los Padres National Forest-
Discussion for Vandenberg ECC Dispatch
337 PM PDT Mon Jul 24 2017

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

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


...Discussion from Monterey...

The marine layer is around 2500 feet deep with an upper low over
the region. This is producing a southerly component to the winds
tonight into Tuesday. Expect temperatures to remain below normal
into Tuesday with the upper low and deep marine layer. The low
will eject inland by Wednesday afternoon with a warming trend
expected for the second half of the week. Quiet and seasonable
weather should last through the weekend. Current long range models
keep thunderstorms outside of the Bay Area and Central Coast fire
districts with increasing confidence for another significant heat
event late in the weekend and into next week.

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



$$

ECC028-251645-
Santa Barbara County excluding Los Padres National Forest-
Discussion for Santa Barbara ECC Dispatch
337 PM PDT Mon Jul 24 2017

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


$$

ECC031-251645-
Angeles National Forest-
Discussion for Lancaster ECC Dispatch
337 PM PDT Mon Jul 24 2017

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


$$

ECC024-251645-
San Luis Obispo County-
Discussion for San Luis Obispo ECC Dispatch
337 PM PDT Mon Jul 24 2017

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


$$

ECC032-251645-
Ventura County excluding Los Padres National Forest-
Discussion for Ventura ECC Dispatch
337 PM PDT Mon Jul 24 2017

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


$$

ECC030-251645-
Los Angeles County excluding Angeles National Forest-
Discussion for Los Angeles ECC Dispatch
337 PM PDT Mon Jul 24 2017

...Monsoon moisture with associated threat of showers and
isolated thunderstorms through Tuesday...

A surge of monsoonal moisture will continue to bring a threat of
showers and isolated thunderstorms to inland portions of Ventura
and Los Angeles Counties this evening. On Tuesday, lingering
moisture and instability will bring a slight chance of
thunderstorms to the mountains of Los Angeles and Ventura Counties
and Antelope Valley during the afternoon and evening hours. A
drier airmass will move into the area on Wednesday to reduce the
threat of any thunderstorms over the mountains and deserts to less
than 15 percent. Even so, afternoon buildups will be possible in
the mountains on Wednesday, especially for the eastern San
Gabriels, and an isolated thunderstorm cannot be completely ruled
out for this area.

An upper level ridge of high pressure will bring dry weather to
southwestern California Thursday and Friday, along with lowering
humidities and some above normal temperatures to inland areas.
Looking ahead to the upcoming weekend, a strong upper level high
pressure system is projected to build into the Great Basin,
bringing the potential for hot weather to return to interior
sections. In addition, the upper level flow pattern will become
favorable for the influx of additional monsoonal moisture,
resulting in a slight chance of mountain and desert thunderstorms
by Sunday.


$$



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