Weather Alert in Louisiana
Flood Watch issued July 15 at 12:01PM CDT until July 19 at 7:00PM CDT by NWS Lake Charles LA
AREAS AFFECTED: Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary
DESCRIPTION: A tropical disturbance moving slowly across the northern gulf will produce long duration periods of potentially heavy and training rainfall Thursday through Saturday. Rainfall totals of up to 15 inches will be possible in some spots within the watch area. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, south central, and southwest Louisiana, including the following parishes, in central Louisiana, Evangeline and St. Landry. In south central Louisiana, Lafayette, Lower Iberia, Lower St. Martin, Lower St. Mary, Upper Iberia, Upper St. Martin and Upper St. Mary. In southwest Louisiana, Lower Vermilion, Northern Acadia, Southern Acadia and Upper Vermilion. * WHEN...From Thursday morning through Saturday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A tropical disturbance moving slowly across the northern gulf will produce long duration periods of potentially heavy and training rainfall Thursday through Saturday. Rainfall totals of up to 15 inches will be possible in some spots within the watch area. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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