Weather Alert in Montana
Wind Advisory issued September 3 at 10:42AM MDT until September 5 at 12:00AM MDT by NWS Missoula MT
AREAS AFFECTED: West Glacier Region; Flathead/Mission Valleys
DESCRIPTION: * WHAT...Northeast winds 10 to 20 mph with gusts up to 40 mph expected. Isolated higher gusts along Highway 35 on the east side of Flathead Lake and the Swan Range, as well as Highway 93 on the western slopes of the Whitefish Range. * WHERE...Flathead/Mission Valleys and West Glacier Region. * WHEN...From 6 AM Thursday to midnight MDT Thursday Night. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Those planning to recreate on area lakes, especially Flathead Lake should be prepared for choppy conditions and strong gusty winds.
INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
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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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