Weather Alert in Colorado
Avalanche Watch issued March 31 at 9:43AM MDT by NWS Denver CO
AREAS AFFECTED: Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains
DESCRIPTION: AVABOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. AVALANCHE WATCH IN EFFECT FROM 8 AM TUESDAY UNTIL 5 PM TUESDAY *WHAT Dangerous avalanche conditions develop on Tuesday morning and last through the day. Expect the Avalanche Danger to rise to HIGH (Level 4 of 5). *WHERE Elk Mountains. *WHEN Expect very dangerous avalanche conditions to begin on Tuesday morning by about 8:00 AM and last until 5:00 PM. *IMPACTS High snowfall rates and strong winds will create dangerous avalanche conditions by Tuesday morning. Large and dangerous avalanches will be easy to trigger once the new snow accumulates. Avalanches will run naturally. Pritchett
INSTRUCTION: N/A
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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