Los Angeles County Coast including Downtown Los Angeles Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Excessive Heat Warning, Wind Advisory
Issued: 6:30 AM PDT Oct. 23, 2017 – National Weather Service

... 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.

Fire Weather Warning
Issued: 9:27 AM PDT Oct. 23, 2017 – National Weather Service

... 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

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