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 Cumulonimbus Clouds?
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Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
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Weather Topic: What is Drizzle?
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Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
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