Contra Costa 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: Contra Costa County, California
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Fire Weather Watch
CAZ507-511-512-517-518-150800-
/O.NEW.KMTR.FW.A.0005.171216T0600Z-171217T1800Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
921 AM PST Thu Dec 14 2017

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SUNDAY MORNING FOR GUSTY WINDS AND LOW HUMIDITY VALUES FOR FIRE
WEATHER ZONES 507, 511, 512, 517, AND 518...

The National Weather Service in San Francisco has issued a Fire
Weather Watch, which is in effect from Friday evening through
Sunday morning.

* AFFECTED AREA...Fire weather zones 507, 511, 512, 517, and
518.

* WIND...Northerly winds of 15 to 30 mph with local gusts over 50
mph. Strongest gusts will be over the North Bay Mountains and
East Bay Hills.

* HUMIDITY...Minimum humidity readings of 5 to 20% during the day.
Nighttime maximum humidity readings of 10 to 30%.

* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

Wind Advisory
CAZ507-511-512-517-518-150800-
/O.NEW.KMTR.WI.Y.0023.171216T0600Z-171217T1800Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
Including the cities of Angwin, Lagunitas-Forest Knolls,
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
925 AM PST Thu Dec 14 2017

...WIND ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM PST
SUNDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from 10 PM Friday to 10 AM PST
Sunday.

* TIMING: 10 PM Friday to 10 AM Sunday

* LOCATION: elevations above 1,000 feet in the San Francisco and
Monterey Bay Region.

* WINDS: Northerly winds of 20 to 35 mph with local gusts over 50
mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

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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