Weather Alert in Idaho
Flood Watch issued March 12 at 3:14PM PDT until March 15 at 1:46AM PDT by NWS Spokane WA
AREAS AFFECTED: Latah, ID; Whitman, WA
DESCRIPTION: ...The National Weather Service in Spokane WA has issued a Flood Watch for the following rivers in Idaho...Washington... Palouse River near Potlatch affecting Latah and Whitman Counties. For the Palouse River...including Palouse, Potlatch...flooding is possible. * WHAT...Flooding is possible. * WHERE...Palouse River near Potlatch. * WHEN...From late Friday night to early Sunday morning. * IMPACTS...At 16.5 feet, Water will be up to the back door at the city shop in Palouse. Water will approach the home on Main Street near Hayton Greene Park. Lions Club Park in Palouse will be submerged and water will be around the playground at the Hayton Greene Park. * ADDITIONAL DETAILS... - At 2:30 PM PDT Thursday the stage was 9.3 feet. - Forecast...Flood stage may be reached early Saturday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 415 AM PDT.
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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.
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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.
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