Weather Alert in South Dakota
Flood Warning issued August 23 at 10:28AM CDT until August 24 at 10:00AM CDT by NWS Aberdeen SD
AREAS AFFECTED: Codington, SD
DESCRIPTION: ...The Flood Warning continues for the following rivers in South Dakota... Big Sioux River at Watertown Broadway Avenue affecting Codington County. .For sites with a river forecast, the forecast includes precipitation through the next 24 hours. Any future precipitation could affect the forecasts. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Sioux River at Watertown Broadway Avenue. * WHEN...Until late tomorrow morning. * IMPACTS...At 11.0 feet, The lower banks on both sides of the river downstream of the gauge are overtopped, and the lower lying areas along Kampeska Blvd, 4th Ave SW, and Riverside Park on Kemp Ave begin to flood. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 10.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Saturday was 10.9 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 9.7 feet Thursday morning. - Flood stage is 10.5 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/abr. The next statement will be issued by Sunday morning at 1000 AM CDT.
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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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