Weather Alert in Iowa

Recent Locations: Hot Springs, SD   Corwith, IA  
Current Alerts for Corwith, IA: Flood Warning

Flood Watch issued July 12 at 9:34PM CDT until July 17 at 1:00PM CDT by NWS Quad Cities IA IL

AREAS AFFECTED: Des Moines; Henderson

DESCRIPTION: ...The Flood Watch continues for the following rivers in Iowa... Illinois... Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Burlington affecting Lee, Des Moines, Henderson and Hancock Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From Sunday evening to early Thursday afternoon. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 9.7 feet. - Forecast...Flood stage may be reached tomorrow evening. - Flood stage is 10.0 feet.

INSTRUCTION: Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. If you are in the watch area, remain alert to possible flooding. The next statement will be issued by Sunday evening at 945 PM CDT.

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Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

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

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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