Weather Alert in Montana

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Current Alerts for Big Sky, MT: High Wind Warning

Avalanche Warning issued February 25 at 8:24AM MST by NWS Missoula MT

AREAS AFFECTED: Potomac/Seeley Lake Region

DESCRIPTION: AVWMSO The following message is transmitted at the request of West Central Montana Avalanche Center Missoula MT. ...AVALANCHE WARNING ISSUED BY THE WEST CENTRAL MONTANA AVALANCHE CENTER... 07:30 MST Wed Feb 25 2026 The West Central Montana Avalanche Center in Missoula has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ043 (MTZ043) * WHAT...Several feet of new snow, coupled with strong ridgetop winds, have created dangerous avalanche conditions. This new snow will likely overload buried weak layers and lead to large natural avalanches. Travel in and below avalanche terrain is not recommended. * WHERE...The Seeley Lake mountains above 5500'. * WHEN...In effect from Wed 07:30 MST to Thu 04:00 MST. * IMPACTS...Natural and human-triggered avalanches are likely. Avalanches will release on weak layers buried two to four feet deep. It will be possible to remotely trigger avalanches from below, above, or to the side of steeper slopes. Avalanches may connect across terrain features, creating large and destructive avalanches. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Dangerous avalanche conditions exist. Travel in avalanche terrain is not recommended. Avoid travel underneath steep slopes. Even small slopes like roadcuts and gullies have potential to deposit enough debris to bury or injure a person. Consult https://missoulaavalanche.org/ 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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