Weather Alert in Montana
High Wind Watch issued February 24 at 1:15PM MST until February 27 at 9:00AM MST by NWS Great Falls MT
AREAS AFFECTED: East Glacier Park Region; Northern High Plains; Southern Rocky Mountain Front; Southern High Plains
DESCRIPTION: * WHAT...For the High Wind Warning, west winds 40 to 50 mph with gusts up to 85 mph expected. For the High Wind Watch, west winds 45 to 55 mph with gusts up to 90 mph possible. Winds may gust over 100 mph at times along the immediate eastern slopes of the Rocky Mountain Front. * WHERE...The Rocky Mountain Front and adjacent foothills and plains. * WHEN...For the High Wind Warning, from 2 AM to 11 PM MST Wednesday. For the High Wind Watch, from Wednesday evening through Friday morning. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be dangerous, especially for high profile or light weight vehicles. * ADDITIONAL DETAILS...Those operating high profile or light weight vehicles should consider delaying travel.
INSTRUCTION: People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates.
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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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