Weather Alert in Missouri
Hydrologic Outlook issued July 21 at 10:37AM CDT by NWS Kansas City/Pleasant Hill MO
AREAS AFFECTED: Carroll, MO; Chariton, MO; Linn, MO; Livingston, MO
DESCRIPTION: ESFEAX Grand River near Sumner This hydrologic outlook is based on the forecast rainfall for the next 24 hours and estimated runoff from earlier rainfall. Crests may vary if actual rainfall or runoff is greater or less than anticipated. Location: Grand River near Sumner Flood stage: 26.0 feet Latest stage: 9.6 feet at 9 AM Monday Maximum Forecast Stage: 28.2 feet at 1 PM Tuesday Jul 22 Fld Obs Forecasts Location Stg Stg Day/Time Mon Tue Wed 1pm 1pm 1pm Grand River Sumner 26.0 9.6 Mon 9am 15.7 28.2 15.4 Later statements, possibly warnings, may be issued as additional information becomes available.
INSTRUCTION: N/A
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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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