Weather Alert in California
Heat Advisory issued August 30 at 1:13AM PDT until August 31 at 6:00PM PDT by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: San Luis Obispo County Inland Central Coast; Southern Salinas Valley; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Ynez Mountains Western Range
DESCRIPTION: * WHAT...Hot daytime conditions with high temperatures from 85 to 95 coastal plains to 95 to 105 degrees valleys and hills. * WHERE...San Luis Obispo County Inland Coast, Southern Salinas Valley, Santa Barbara County Inland Central Coast, Santa Ynez Valley, Santa Ynez Mountains Western Range. * WHEN...From 10 AM to 6 PM PDT Sunday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors.
INSTRUCTION: Limit strenuous outdoor activities to the early morning hours. Stay in air conditioned spaces during the heat of the day. Check up on relatives and neighbors.
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North America Water Vapor (Moisture)
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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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