Weather Alert in Montana
Winter Weather Advisory issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT
AREAS AFFECTED: Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 1 and 4 inches with up to 6 inches from Belt to Raynesford and over the Lewistown Divide and Snowies. Winds gusting as high as 35 mph may create areas of blowing and drifting snow Thursday evening and overnight. * WHERE...Snowy and Judith Mountains, Cascade County below 5000ft, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...From 3 PM Thursday to noon MDT Friday. * IMPACTS...Initially wet or slushy road surfaces will become icy Thursday evening as temperatures cool below freezing. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
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. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period.
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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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