Weather Alert in Montana

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Current Alerts for Big Sky, MT: High Wind Warning

Avalanche Warning issued February 24 at 5:21AM MST by NWS Billings MT

AREAS AFFECTED: Absaroka/Beartooth Mountains

DESCRIPTION: AVWBYZ The following message is transmitted at the request of the Gallatin National Forest Avalanche Center. The Gallatin NF Avalanche Center in Bozeman has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Billings MT - MTZ067 (MTZ067) * WHAT...The Gallatin National Forest Avalanche Center has issued an AVALANCHE WARNING for the Cooke City area. Heavy snowfall and strong winds are rapidly loading weak layers in the snowpack, creating very dangerous avalanche conditions. Human-triggered and natural avalanches are likely. Avoid travel on and underneath slopes steeper than 30 degrees. The avalanche danger is HIGH on all slopes. * WHERE...The mountains in and around Cooke City. * WHEN...In effect from Tue 05:00 MST to Wed 05:00 MST. * IMPACTS...Heavy snowfall and strong winds are creating unstable conditions over wide areas. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions. Backcountry travelers should stay off and out from under slopes steeper than 30 degrees. Avalanches can be triggered from flat terrain above, below, and to the side of steep slopes. Avalanches will run into lower-angled terrain. Consult http://www.mtavalanche.com or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.

INSTRUCTION: N/A

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Weather Topic: What are Cumulus Clouds?

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Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

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Weather Topic: What is Evaporation?

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Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

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