Weather Alert in California
Winter Storm Warning issued February 21 at 3:56AM PST until February 22 at 4:00PM PST by NWS Medford OR
AREAS AFFECTED: Western Siskiyou County; South Central Siskiyou County; North Central and Southeast Siskiyou County
DESCRIPTION: * WHAT...Heavy snow expected Above 4500 feet in Siskiyou County. Total snow accumulations 5 to 10 inches. South to southeast winds gusting as high as 60 mph over high and exposed terrain. * WHERE...Above 4500 feet in Siskiyou County. This includes the locations of...Bray and Tennant. This also includes the following passes or notable locations...Dead Horse Summit on State Highway 89 at 4489 ft, Etna Summit on Sawyers Bar Rd at 5950 ft, Mt. Shasta ski park highway around 5400 ft, Grass Lake at Mt. Hebron at 5291 ft and Bunny Flat on Everitt Memorial highway at 6900 ft. * WHEN...From 10 PM this evening to 4 PM PST Sunday. * IMPACTS...Travel may be very difficult to impossible. Strong winds could cause tree damage. * ADDITIONAL DETAILS...The heaviest snow is expected late tonight through Sunday morning. Snow levels begin to rise during Sunday afternoon, shortly before snow tapers off. Visit weather.gov/mfr/winter for snow probabilities.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit quickmap.dot.ca.gov for road information.
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Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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
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