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Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
927 AM PDT Mon Oct 23 2017

...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT WEDNESDAY FOR MUCH
OF LOS ANGELES AND VENTURA COUNTIES DUE TO GUSTY SANTA ANA
WINDS AND HOT AND DRY CONDITIONS...

.A moderate to locally strong Santa Ana wind event will bring
windy, hot and very dry conditions through Wednesday to much of
Los Angeles and Ventura Counties. This event is especially
concerning because of the multiple day nature of it, which we have
not seen yet this season and such events have a history of large
fires. The winds will peak on Tuesday with 20 to 30 mph gusting to
50 mph common in the wind prone coastal and valley areas of Los
Angeles and Ventura Counties, and 20 to 30 mph gusting to 60 mph
common in the mountains. Minimum humidities of 5 to 10 percent
will be common through Wednesday, with poor overnight recoveries.
Widespread record breaking heat will exasperate the situation,
with highs between 95 and 105 common and lows between 65 and 75
common. Some windy and hilly locations may only drop into the 80s
at night. A Red Flag Warning will remain in effect through
Wednesday as a result. Over San Luis Obispo and Santa Barbara
Counties, similar heat and dry air is expected, but easterly winds
peaked on Sunday and should locally gust between 20 and 30 mph in
the wind prone areas. As such, elevated fire weather conditions
exist there.

With these prolonged weather conditions, and the very dry
fuels/vegetation, extreme fire behavior is likely if any fire
ignition begins...threatening life and property. The public
should be very, very careful with any potential ignition sources
such as welding and brush clearing equipment, as well as campfires
and cigarettes.

CAZ241-548-240030-
/O.CON.KLOX.FW.W.0008.000000T0000Z-171026T0100Z/
Los Angeles County Coast including Downtown Los Angeles-
Los Angeles County San Gabriel Valley-
927 AM PDT Mon Oct 23 2017

...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT WEDNESDAY FOR MUCH
OF LOS ANGELES AND VENTURA COUNTIES DUE TO GUSTY SANTA ANA
WINDS AND HOT AND DRY CONDITIONS OVER THE HILLS AND CANYONS...

* Winds...Areas of north to northeast winds 15 to 30 mph with
  gusts 35 to 45 mph through Tuesday mainly in the hills and
  canyons...then weakening through Wednesday.

* Relative Humidity...Minimum humidities between 5 and 10
  percent through Wednesday. Very poor humidity recoveries
  expected each night.

* Temperatures...Maximums between 95 and 105. Minimums between 65
  and 75 except 75 to 85 in the hills.

* Impacts...If fire ignition occurs, conditions are favorable for
  extreme fire behavior and spread which would threaten life and
  property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...very low relative
humidity...and hot temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Kittell




Excessive Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
630 AM PDT Mon Oct 23 2017

...DANGEROUS HEAT OVER SOUTHWEST CALIFORNIA MONDAY AND TUESDAY...

...GUSTY SANTA ANA WINDS MONDAY THROUGH WEDNESDAY OVER LOS
ANGELES AND VENTURA COUNTIES...

.A moderate Santa Ana wind event is expected to bring northeast
winds gusting to 40 to 60 mph over much of Ventura and Los
Angeles Counties Today through Wednesday. The winds should be
strongest on Tuesday...with isolated wind damage and power outages
possible.

Strong high pressure in combination with the offshore winds will
produce record setting high temperatures across southwest
California. The hottest days will be today and Tuesday when highs
between 95 and 105 will be common, even within a few miles of the
ocean. People living in coastal plains without air conditioning
should take precautions to avoid heat illness and heat stress. Low
temperatures will remain in the 70s to lower 80s in some locations.
This is a very unusual late season heat wave and should not be
taken lightly!

CAZ040-041-240100-
/O.CON.KLOX.EH.W.0006.171023T1700Z-171025T0300Z/
/O.CON.KLOX.WI.Y.0068.000000T0000Z-171025T2100Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Including the cities of Ventura, Oxnard, Camarillo, Malibu,
Santa Monica, Beverly Hills, Hollywood, and Long Beach
630 AM PDT Mon Oct 23 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM PDT TUESDAY...

* TEMPERATURES...Highs from 95 to 105. Overnight lows from 65 to
  75 except around 80 in the hills.

* WINDS...Northeast 15 to 25 mph with gusts to 35 mph today and
  20 to 30 mph with gust to 50 mph Tuesday before gradually
  weakening into Wednesday. Strongest in Ventura County and from
  Malibu to Hollywood Hills in Los Angeles County.

* IMPACTS...The very high temperatures create a dangerous
  situation in which heat illnesses are possible. Temperatures
  inside vehicles, even if the windows are partially open, can
  quickly rise to life-threatening levels. Gusty winds could
  create travel difficulty for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions Monday through Tuesday if you work or
spend time outside. When possible, reschedule strenuous
activities to early morning or evening. Know the signs and
symptoms of heat exhaustion and heat stroke. Wear light weight
and loose fitting clothing when possible and drink plenty of
water. Never, ever, leave people or pets in enclosed vehicles,
even for a short period of time.

When driving, use extra caution. Be prepared for sudden gusty
cross winds.

&&

$$



Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
630 AM PDT Mon Oct 23 2017

...DANGEROUS HEAT OVER SOUTHWEST CALIFORNIA MONDAY AND TUESDAY...

...GUSTY SANTA ANA WINDS MONDAY THROUGH WEDNESDAY OVER LOS
ANGELES AND VENTURA COUNTIES...

.A moderate Santa Ana wind event is expected to bring northeast
winds gusting to 40 to 60 mph over much of Ventura and Los
Angeles Counties Today through Wednesday. The winds should be
strongest on Tuesday...with isolated wind damage and power outages
possible.

Strong high pressure in combination with the offshore winds will
produce record setting high temperatures across southwest
California. The hottest days will be today and Tuesday when highs
between 95 and 105 will be common, even within a few miles of the
ocean. People living in coastal plains without air conditioning
should take precautions to avoid heat illness and heat stress. Low
temperatures will remain in the 70s to lower 80s in some locations.
This is a very unusual late season heat wave and should not be
taken lightly!

CAZ040-041-240100-
/O.CON.KLOX.EH.W.0006.171023T1700Z-171025T0300Z/
/O.CON.KLOX.WI.Y.0068.000000T0000Z-171025T2100Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Including the cities of Ventura, Oxnard, Camarillo, Malibu,
Santa Monica, Beverly Hills, Hollywood, and Long Beach
630 AM PDT Mon Oct 23 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM PDT TUESDAY...

* TEMPERATURES...Highs from 95 to 105. Overnight lows from 65 to
  75 except around 80 in the hills.

* WINDS...Northeast 15 to 25 mph with gusts to 35 mph today and
  20 to 30 mph with gust to 50 mph Tuesday before gradually
  weakening into Wednesday. Strongest in Ventura County and from
  Malibu to Hollywood Hills in Los Angeles County.

* IMPACTS...The very high temperatures create a dangerous
  situation in which heat illnesses are possible. Temperatures
  inside vehicles, even if the windows are partially open, can
  quickly rise to life-threatening levels. Gusty winds could
  create travel difficulty for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions Monday through Tuesday if you work or
spend time outside. When possible, reschedule strenuous
activities to early morning or evening. Know the signs and
symptoms of heat exhaustion and heat stroke. Wear light weight
and loose fitting clothing when possible and drink plenty of
water. Never, ever, leave people or pets in enclosed vehicles,
even for a short period of time.

When driving, use extra caution. Be prepared for sudden gusty
cross winds.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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