Weather Alert in Oklahoma
Flood Warning issued August 27 at 2:16PM CDT until August 29 at 6:47PM CDT by NWS Tulsa OK
AREAS AFFECTED: Adair, OK; Delaware, OK
DESCRIPTION: ...The National Weather Service in Tulsa OK has issued a Flood Warning for the following rivers in Oklahoma... Illinois River near Watts affecting Delaware and Adair Counties. Illinois River at Chewey affecting Delaware, Adair and Cherokee Counties. Illinois River near Tahlequah affecting Cherokee County. * WHAT...Minor flooding is forecast. * WHERE...Illinois River near Watts. * WHEN...From Thursday evening to Friday evening. * IMPACTS...At 15.0 feet, minor flooding occurs from the Arkansas border to near Fidler's Bend. Permanent campgrounds are affected. Extreme turbulence makes the river unsafe for floating. * ADDITIONAL DETAILS... - At 1:30 PM CDT Wednesday the stage was 2.7 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 15.5 feet Friday morning. It will then fall below flood stage early Friday afternoon. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: N/A
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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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