Weather Alert in Missouri
Flood Advisory issued June 30 at 9:08PM CDT until June 30 at 11:30PM CDT by NWS St Louis MO
AREAS AFFECTED: Audrain, MO; Pike, MO; Ralls, MO
DESCRIPTION: * WHAT...Small stream, low lying areas, and poor drainage area flooding caused by excessive rainfall continues. * WHERE...Portions of central and northeast Missouri, including the following counties, in central Missouri, northeastern Audrain. In northeast Missouri, west central Pike and southwestern Ralls. * WHEN...Until 1130 PM CDT. * IMPACTS...Water over roadways. Some low-water crossings may become impassable. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 901 PM CDT, Doppler radar indicated that the heavy rain has ended in the advisory area. However, flooding impacts will continue this evening as water begins receding. - Some locations that will experience flooding include... Vandalia, Laddonia and Farber.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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