Weather Alert in Montana
Winter Weather Advisory issued February 22 at 8:21PM MST until February 23 at 11:00AM MST by NWS Missoula MT
AREAS AFFECTED: Kootenai/Cabinet Region
DESCRIPTION: ...WINTRY MIX IN VALLEYS AND MOUNTAIN SNOW MONDAY THROUGH MONDAY NIGHT... .Snow levels will be borderline in northwest Montana valleys, and a wintry mix brings an increased risk for slick conditions during the Monday morning commute. Confidence is highest for accumulating snow across Lincoln County valley areas. Over mountain passes, snow will begin overnight with minor impacts, intensifying by Monday afternoon. Expect moderate travel impacts with slushy accumulation on I-90 and US-2 through Monday night. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 1 to 3 inches on Highway 93 Eureka to Whitefish and in the Yaak, with up to 1 inch elsewhere. * WHERE...Highway 93 Eureka to Whitefish, Highway 56 Bull Lake Road, Highway 37 Eureka to Libby, and Highway 2 Kalispell to Libby. * WHEN...Until 11 AM MST Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. * ADDITIONAL DETAILS...An elevated risk exists for areas of black ice on Highway 93 south of Eureka and on Highway 2 east of Libby towards Kalispell.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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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