Weather Alert in Iowa
Flood Warning issued August 2 at 3:06AM CDT until August 3 at 3:00PM CDT by NWS Des Moines IA
AREAS AFFECTED: Poweshiek, IA; Tama, IA
DESCRIPTION: ...The Flood Warning continues for the following rivers in Iowa... Iowa River near Tama Hwy E49 affecting Tama and Poweshiek Counties. Cedar River at Cedar Falls affecting Black Hawk County. Shell Rock River at Shell Rock affecting Bremer, Butler and Black Hawk Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...The Iowa River near Tama Hwy E49, or from Timber Creek near Le Grand to Salt Creek near Belle Plaine. * WHEN...Until tomorrow afternoon. * IMPACTS...At 13.4 feet, Water affects portions of 340th St at H Ave. * ADDITIONAL DETAILS... - At 2:00 AM CDT Saturday the stage was 13.4 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 9.6 feet Friday evening. - Flood stage is 12.5 feet.
INSTRUCTION: For the latest waterway observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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