Weather Alert in Montana
High Wind Warning issued February 16 at 11:34PM MST until February 17 at 8:00PM MST by NWS Great Falls MT
AREAS AFFECTED: Bears Paw Mountains and Southern Blaine; Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Snowy and Judith Mountains
DESCRIPTION: * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Bears Paw, Highwood, Little Belt, and Snowy Mountains, Judith Basin County and Judith Gap, and Fergus County below 4500ft. * WHEN...From 9 AM to 8 PM MST Tuesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Gusty west winds will develop following a cold front Tuesday afternoon with winds shifting to the northwest by Tuesday evening. Snow showers may also accompany and follow the cold front, and gusty winds combined with snow showers may create periods of reduced visibility, especially near the Bears Paw and Little Belt mountains.
INSTRUCTION: People are urged to secure loose objects that could be blown around or damaged by the wind. Remember, a High Wind Warning means that there is at least an 80% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the warning 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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