Weather Alert in California
Winter Storm Warning issued February 16 at 4:27AM PST until February 18 at 12:00PM PST by NWS San Diego CA
AREAS AFFECTED: San Bernardino County Mountains; Riverside County Mountains
DESCRIPTION: * WHAT...Heavy snow expected. Through Tuesday morning, snowfall of 4 to 8 inches is expected from 5500 to 6000 feet, 8 to 14 inches from 6000 to 7000 feet, and locally 2 to 3 feet above 7500 feet. Southwest winds will gust to 45 to 55 mph. Snow levels will rise to 6500 to 7500 feet late this morning, then fall to 5000 to 5500 feet for late tonight into Tuesday. Another round of more widespread precipitation is expected for Tuesday night into Wednesday morning with additional snowfall of 3 to 6 inches from 5000 to 6000 feet, 6 to 12 inches from 6000 to 7000 feet, and 12 to 18 inches above 7000 feet. The snow level will fall to 3500 to 4500 feet for Wednesday afternoon. Southwest winds for Tuesday night through Wednesday afternoon will gust to 55 to 75 mph on the desert slopes of the mountains. * WHERE...Riverside County Mountains and San Bernardino County Mountains. * WHEN...From 10 AM this morning to noon PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive tree damage.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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