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 Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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