Los Angeles County San Fernando Valley Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Excessive Heat Warning, Wind Advisory
Issued: 2:08 AM PDT Oct. 22, 2017 – National Weather Service

... Wind Advisory remains in effect until 2 PM PDT this
... Excessive heat warning remains in effect from 10 am Monday to
8 PM PDT Tuesday...

* temperatures... 100-106 degrees on Monday and Tuesday.
Overnight lows in the 70s and possibly lower 80s in the

* Winds... northeast 15 to 25 mph with gusts to 40 mph through
early this afternoon.

* 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.

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

Never, ever, leave people or pets in enclosed vehicles, even for
a short period of time.

To reduce risk during outdoor work the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 911.

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

Fire Weather Warning
Issued: 10:22 AM PDT Oct. 22, 2017 – National Weather Service

... Red flag warning remains in effect until 6 PM PDT Tuesday for
gusty northeast winds... hot temperatures... and low relative humidity
for the Ventura County coast and Los Angeles County coast from Malibu
to Hollywood Hills...

* winds... areas of northeast winds 10 to 20 mph with gusts to 25 mph
today from the Ventura County coast extending eastward to
Malibu and Hollywood Hills. Winds increasing to 15 to 30 mph
with gusts to 35 to 45 mph Monday through Tuesday. Strongest
winds on Tuesday.

* Relative humidity... minimum values 8 to 18 percent today,
lowering to between 5 and 12 percent Monday through Tuesday.
Very poor humidity recoveries expected each night in the
foothills and wind prone areas.

* Temperatures... Max temperatures 84 to 94 degrees today,
rising to between 95 and 105 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind
prone areas... remaining in the 70s in warmest locations.

* Impacts... if fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to 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