Weather Alert in Montana
Wind Advisory issued September 3 at 10:42AM MDT until September 5 at 12:00AM MDT by NWS Missoula MT
AREAS AFFECTED: West Glacier Region; Flathead/Mission Valleys
DESCRIPTION: * WHAT...Northeast winds 10 to 20 mph with gusts up to 40 mph expected. Isolated higher gusts along Highway 35 on the east side of Flathead Lake and the Swan Range, as well as Highway 93 on the western slopes of the Whitefish Range. * WHERE...Flathead/Mission Valleys and West Glacier Region. * WHEN...From 6 AM Thursday to midnight MDT Thursday Night. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Those planning to recreate on area lakes, especially Flathead Lake should be prepared for choppy conditions and strong gusty winds.
INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
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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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