Weather Alert in California
Winter Storm Watch issued February 13 at 11:42PM PST until February 18 at 10:00PM PST by NWS Las Vegas NV
AREAS AFFECTED: White Mountains of Inyo County
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations exceeding 2 feet above 8000 feet....1 to 2 feet above 7000 feet....and 8 to 14 inches down to 6000 feet. Winds could gust as high as 50 mph. * WHERE...White and Inyo Mountains. * WHEN...From late Sunday night through Wednesday evening. * IMPACTS...Widespread blowing snow could significantly reduce visibility. Travel could be very difficult to impossible. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Travel on Highway 168 especially through Westgard Pass will be difficult to impossible at times. The highest snowfall rates will be Monday evening through Tuesday afternoon.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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