Weather Alerts for Montana
1. High Wind Watch for: Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains
2. High Wind Watch for: East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains
3. High Wind Watch for: Eastern Toole and Liberty; Eastern Pondera and Eastern Teton; Western and Central Chouteau County; Cascade County below 5000ft; Judith Basin County and Judith Gap; Upper Blackfoot and MacDonald Pass; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains
4. High Wind Watch for: Gates of the Mountains; Helena Valley; Meagher County Valleys; Elkhorn and Boulder Mountains
5. High Wind Watch for: Judith Gap; Northern Sweet Grass; Melville Foothills; Southern Wheatland
6. High Wind Watch for: Madison River Valley
7. High Wind Watch for: Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft
8. High Wind Watch for: Southwest Phillips
9. Lake Wind Advisory for: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
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Current U.S. National Radar--Current
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North America Water Vapor (Moisture)
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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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