Weather Alerts for Montana
1. Fire Weather Watch for: Dawson/McCone/Prairie/Richland/Wibaux Counties
2. Fire Weather Watch for: Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; Southern Petroleum and Southern Garfield Counties
3. High Wind Warning for: Madison River Valley
4. High Wind Watch for: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; Northern Phillips; Southwest Phillips; Northern Valley
5. High Wind Watch for: Daniels; Sheridan; Western Roosevelt; McCone; Richland; Dawson; Prairie; Wibaux; Eastern Roosevelt
6. High Wind Watch for: Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft
7. Winter Storm Watch for: Absaroka/Beartooth Mountains
8. Winter Storm Watch for: Gallatin Valley
9. Winter Storm Watch for: Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains
10. Winter Storm Watch for: Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains
11. Winter Weather Advisory for: Bears Paw Mountains and Southern Blaine
12. Winter Weather Advisory for: Bitterroot/Sapphire Mountains
13. Winter Weather Advisory for: Butte/Blackfoot Region
14. Winter Weather Advisory for: East Glacier Park Region; Northern High Plains
15. Winter Weather Advisory for: Potomac/Seeley Lake Region
16. Winter Weather Advisory for: Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains
17. Winter Weather Advisory for: West Glacier Region
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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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