Weather Alert in California
Winter Weather Advisory issued February 18 at 9:59AM PST until February 19 at 10:00PM PST by NWS Reno NV
AREAS AFFECTED: Mono
DESCRIPTION: * WHAT...Heavy snow up to 4 inches along and east of Highway 395, 6 to 8 inches west of Highway 395, and up to a 12 to 18 inches along the crest. Winds gusting up to 55 mph along ridges, with gusts 25 to 30 mph along Highway 395. * WHERE...Mono County. * WHEN...From 4 AM to 10 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Blowing snow may produce limited visibility and near whiteout conditions at times.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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