Weather Alert in South Dakota
Flood Warning issued August 25 at 8:07PM CDT until August 30 at 7:00PM CDT by NWS Sioux Falls SD
AREAS AFFECTED: Sanborn, SD
DESCRIPTION: ...The Flood Warning is extended for the following river in South Dakota... James River near Forestburg affecting Sanborn County. ...The Flood Warning continues for the following river in South Dakota... Big Sioux River near Bruce affecting Brookings County. Big Sioux River near Estelline affecting Hamlin and Brookings Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...James River near Forestburg. * WHEN...Until Saturday evening. * IMPACTS...At 12.0 feet, Significant portions of the floodplain begin to flood and a couple county or township roads may begin to flood. * ADDITIONAL DETAILS... - At 7:15 PM CDT Monday the stage was 12.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 PM CDT Monday was 12.2 feet. - Forecast...The river is expected to rise to a crest around 12.3 feet tomorrow morning. It is expected to then fall below flood stage Friday. - Flood stage is 12.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional forecast information is available at www.weather.gov/siouxfalls. The next statement will be issued by Tuesday evening.
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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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