Weather Alert in California
Flood Advisory issued February 18 at 1:15AM PST until February 18 at 6:00AM PST by NWS Los Angeles/Oxnard CA
AREAS AFFECTED: Los Angeles, CA; Ventura, CA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of southwest California, including the following counties, Los Angeles and Ventura. * WHEN...Until 600 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rock and mud slides possible. Minor debris flows possible. * ADDITIONAL DETAILS... - At 114 AM PST, Doppler radar indicated heavy showers across the region. Activity will continue through the pre-dawn hours of Wednesday. Minor flooding is ongoing or expected to begin shortly in the advisory area, and continue through the overnight hours. Rock and mud slides possible. Minor debris flows possible. - Some locations that will experience flooding include... Long Beach, Oxnard, Thousand Oaks, Simi Valley, Ventura, Camarillo, Fillmore, Malibu, Ojai, Chatsworth, Woodland Hills, Northridge, Encino, Van Nuys, Agoura Hills, Santa Clarita, North Hollywood, Santa Monica and Beverly Hills. And burn scars across the Flood Advisory area. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of the potential for rock slides and mud slides in areas of steep terrain.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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