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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Freeze Warning
CAZ046-201645-
/O.CON.KLOX.FZ.W.0002.180220T0900Z-180220T1700Z/
Santa Monica Mountains Recreational Area-
1231 AM PST Tue Feb 20 2018

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* TEMPERATURE...Low temperatures between 29 and 32 degrees are
expected his morning. Similar temperatures are expected
Wednesday morning.

* IMPACTS...Sub-freezing temperatures can kill crops and
sensitive vegetation, and harm outdoor pets and livestock.
Extended exposure to cold can cause hypothermia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means temperatures 29 and 32 for two or more
consecutive hours are imminent. Protective measures to save crops
and sensitive vegetation should be taken. Vulnerable animals and
pets should be kept indoors in a house or barn.

&&

$$

Frost Advisory
CAZ088-547-201645-
/O.CON.KLOX.FR.Y.0003.180220T0900Z-180220T1700Z/
Santa Clarita Valley-Los Angeles County San Fernando Valley-
Including the cities of Santa Clarita, Newhall, Valencia,
Woodland Hills, Northridge, Burbank, and Universal City
1231 AM PST Tue Feb 20 2018

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* TEMPERATURE...Low temperatures will drop into the 30s late this
morning. Isolated temperatures below 32 degrees are possible
across the wind-sheltered locations such as the far-western
portions of the San Fernando Valley. Similar temperatures are
expected Wednesday morning.

* IMPACTS...Frost can damage sensitive plants and harm pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that frost is imminent. Measures should be
taken to protect sensitive outdoor plants. Pets should be brought
indoors.

&&

$$

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."
Weather Alerts by Type
Avalanche Warning
Avalanche Watch
Blizzard Warning
Coastal Flood Advisory
Coastal Flood Warning
Dense Fog Advisory
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Freeze Watch
Frost Advisory
Hard Freeze Warning
High Surf Advisory
High Wind Warning
Hydrologic Statement
Ice Storm Warning
Lake Wind Advisory
Rip Current Statement
Special Weather Statement
Wind Advisory
Wind Chill Advisory
Wind Chill Warning
Winter Storm Warning
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
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