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

Watches & Warnings

Excessive Heat Warning
Issued: 2:44 PM PDT Oct. 21, 2017 – National Weather Service

... Excessive heat warning in effect from 10 am Monday to 8 PM PDT

The National Weather Service in Los Angeles/Oxnard has issued an
excessive heat warning, which is in effect from 10 am Monday to
8 PM PDT Tuesday. The excessive heat watch is no longer in

* Temperatures... 100-106 degrees on Monday and Tuesday. Overnight
lows in the 70s. Isolated lower 80s possible in the foothills.

* 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.

Beach Hazard Statement
Issued: 11:04 AM PDT Oct. 21, 2017 – National Weather Service

... Beach hazards statement remains in effect through Sunday

* hazards... surf heights 4 to 7 feet with local sets to 8 feet
today and 3 to 6 feet with local sets to 7 feet on Sunday.
These conditions are due to a long period west northwest swell
peaking across the coastal waters today.

* Impacts... there is an increased risk for ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Large
breaking waves can wash people off jetties, beaches and
rocks... and capsize small boats near shore.

Precautionary/preparedness actions...

A beach hazards statement is issued when threats such as rip
currents... longshore currents... sneaker waves and other hazards
create life-threatening conditions in the surf zone. Swim near a
lifeguard. If caught in a rip current, relax and float. Don't
swim against the current. If able, swim in a direction following
the shoreline. If unable to escape, face the shore and call or
wave for help.


Fire Weather Warning
Issued: 4:04 PM PDT Oct. 21, 2017 – National Weather Service

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

* winds... northeast winds 10 to 20 mph with gusts to 30 mph on
Sunday 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 Sunday,
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 on Sunday,
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