Weather Alert in Montana
Avalanche Watch issued February 22 at 6:19PM MST by NWS Missoula MT
AREAS AFFECTED: West Glacier Region
DESCRIPTION: AVAMSO The following message is transmitted at the request of the Flathead Avalanche Center Hungry Horse MT ...The Flathead Avalanche Center Hungry Horse MT has issued a Backcountry Avalanche Watch... * WHAT...An incoming storm may create exceptionally dangerous conditions. * WHERE...Flathead Range, Whitefish Range, Swan Range, and Apgar Ranges, and the Lake McDonald Valley and Marias Pass regions in Glacier National Park. * WHEN...In effect until 12 PM MST Monday * IMPACTS...If snow and strong winds arrive Monday as forecast, avalanche danger may rise to High (Level 4 of 5). New and drifted snow will overload a snowpack already producing large and very large avalanches. Many slides are being triggered from long distances away in lower-angle terrain below, near, and above steep slopes. The likelihood of natural and human- triggered avalanches will increase.
INSTRUCTION: Exceptionally dangerous avalanche conditions may develop. Travel in avalanche terrain is not recommended. Avalanches may run long distances and can run into mature forests, valley floors, or flat terrain. Consult http://www.flatheadavalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of any Avalanche Center.
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Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
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