Weather Alert in California
Winter Storm Watch issued February 15 at 11:19PM PST until February 18 at 4:00AM PST by NWS Las Vegas NV
AREAS AFFECTED: Owens Valley
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations of 3 to 6 inches, mainly north of Lone Pine. Winds could gust as high as 40 mph. * WHERE...Owens Valley. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Slick and snow-covered roadways will quickly become dangerous with numerous slide-offs and spin-outs possible. * ADDITIONAL DETAILS...Snowfall is expected to develop by Tuesday afternoon with the snow level hovering near the valley floor. Colder air will move in after dark with increasing snow intensity expected and roadways becoming dangerous.
INSTRUCTION: Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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