Weather Alert in South Dakota
Flood Warning issued July 31 at 8:30PM CDT until August 1 at 4:00PM CDT by NWS Aberdeen SD
AREAS AFFECTED: Hamlin, SD
DESCRIPTION: ...The Flood Warning continues for the following rivers in South Dakota... Big Sioux River near Castlewood affecting Hamlin 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 near Castlewood. * WHEN...Until tomorrow afternoon. * IMPACTS...At 9.0 feet, water overtops the culvert on 184th Street and significant agricultural flooding begins north of Castlewood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 9.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Thursday was 10.0 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 7.6 feet Tuesday evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/abr. The next statement will be issued by Friday afternoon at 400 PM CDT.
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Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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