Weather Alert in California
Avalanche Watch issued February 15 at 7:36AM PST by NWS Las Vegas NV
AREAS AFFECTED: Eastern Sierra Slopes of Inyo County
DESCRIPTION: AVAVEF The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a Backcountry Avalanche Watch for the following areas: the Eastern Sierra in Mono County and the Eastern Sierra in Inyo County * WHAT...The avalanche danger is expected to rise to HIGH by tomorrow afternoon and remain elevated into mid-week. * WHERE...The eastern slopes of the Sierra Nevada mountain range between Virgina Lakes on the north to Bishop Creek on the south. * WHEN...In effect from Sun 07:00 PST to Mon 07:00 PST. * IMPACTS...|Heavy snow and extreme winds will create widespread areas of unstable snow.
INSTRUCTION: Very dangerous avalanche conditions are expected to develop. Avalanches may run long distances, and can run into mature forests, valley floors or flat terrain. Travel in avalanche terrain is not recommended. 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.
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Weather Topic: What are Cumulus Clouds?
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Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
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Weather Topic: What is 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.
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