Los Angeles County, California
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Watch/Warnings
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Los Angeles County, California
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Excessive Heat Warning
CAZ059-241230-
/O.CON.KLOX.EH.W.0001.000000T0000Z-170626T0400Z/
Antelope Valley-
Including the cities of Lancaster and Palmdale
918 PM PDT Fri Jun 23 2017

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
SUNDAY...

* TEMPERATURES...105-110 degrees.

* IMPACTS...The very high temperatures will create a dangerous
situation in which there is an increased threat of heat related
illnesses. Temperatures inside vehicles, even if the windows are
partially open, can quickly rise to life-threatening levels.
The extended heat wave will also bring elevated fire weather
conditions through the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Take extra precautions 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.

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.

&&

$$

Heat Advisory
CAZ054-241230-
/O.CON.KLOX.HT.Y.0002.000000T0000Z-170626T0400Z/
Los Angeles County Mountains excluding the Santa Monica Range-
Including the cities of Acton, Mount Wilson, and Sandberg
918 PM PDT Fri Jun 23 2017

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY...

* TEMPERATURES...98-103 degrees across lower elevations. Night-
time temperatures in the 70s will be common.

* IMPACTS...The very high temperatures will create a dangerous
situation in which there is an increased threat of heat related
illnesses. Temperatures inside vehicles, even if the windows are
partially open, can quickly rise to life- threatening levels.
The extended heat wave will also bring elevated fire danger
through the weekend, with critical fire weather conditions on
Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids, stay in an air-conditioned
room, stay out of the sun, and check up on relatives and
neighbors.

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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