Weather Alert in California
Heat Advisory issued June 16 at 9:53AM PDT until June 17 at 8:00PM PDT by NWS San Diego CA
AREAS AFFECTED: Santa Ana Mountains and Foothills; Orange County Inland
DESCRIPTION: * WHAT...Temperatures in the low 90s expected. Hottest conditions expected east of Interstate 5. * WHERE...Orange County Inland Areas and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Widespread Moderate HeatRisk. Hot temperatures may cause heat illnesses.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, and seek shade if outdoors.
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North America Water Vapor (Moisture)
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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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