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 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
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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