Weather Alert in California
Avalanche Warning issued February 17 at 6:11AM PST by NWS Las Vegas NV
AREAS AFFECTED: Eastern Sierra Slopes of Inyo County
DESCRIPTION: AVWVEF The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a Backcountry Avalanche Warning for the following areas: the Eastern Sierra in Mono County and the Eastern Sierra in Inyo County * WHAT...Eastern Sierra Avalanche Center is issuing an avalanche warning due to High Avalanche Danger. * WHERE...Eastern High Sierra between Bishop Pass and Virginia Lakes. * WHEN...Until 7 AM Wednesday. * IMPACTS...Heavy snowfall and strong winds are rapidly loading a poor snowpack structure creating widespread areas of unstable snow. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions. Travel in avalanche terrain is not recommended. Avalanches may run long distances and can run into mature forests, valley floors, or flat terrain. Consult http://www.esavalanche.org or www.avalanche.org for more detailed information Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
INSTRUCTION: N/A
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
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Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
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A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
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