Weather Alert in Montana
Winter Weather Advisory issued March 29 at 12:36PM MDT until March 30 at 10:00AM MDT by NWS Great Falls MT
AREAS AFFECTED: East Glacier Park Region
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches across lower elevations, with 4 to 8 inches near Marias Pass and up to 15 inches over the highest peaks of Glacier National Park. Winds gusting as high as 50 mph, with localized gusts up to 65 mph. * WHERE...East Glacier Park Region Zone. * WHEN...From 8 PM this evening to 10 AM MDT Monday. * IMPACTS...Travel could be difficult, with reductions in visibility due to blowing snow. The Monday morning commute will be impacted.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.
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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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