Weather Alert in California
Flood Advisory issued September 2 at 4:22AM PDT until September 2 at 7:30AM PDT by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: San Luis Obispo, CA
DESCRIPTION: * WHAT...Minor mud and debris flows caused by excessive rainfall are possible. * WHERE...The Madre Burn Area in San Luis Obispo County. * WHEN...Until 730 AM PDT. * IMPACTS...Minor mud and debris flow may occur from the Madre burn scar. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 418 AM PDT, Doppler radar indicated heavy rain due to showers and thunderstorms moving over the Madre burn scar. Minor flooding and mud and debris flows are possible in the advisory area early this morning. - Some locations that will experience flooding include... Carrizo Plain. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
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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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