Weather Alert in Montana
High Wind Warning issued February 24 at 11:39PM MST until February 25 at 11:00PM MST by NWS Great Falls MT
AREAS AFFECTED: Cascade County below 5000ft; Judith Basin County and Judith Gap; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Little Belt and Highwood Mountains; Helena Valley; Big Belt, Bridger and Castle Mountains
DESCRIPTION: * WHAT...West and southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cascade County, including the Little Belt and Highwood Mountains, Judith Basin County and Judith Gap, Upper Blackfoot and MacDonald Pass, Gates of the Mountains, Helena Valley, and Big Belt, Bridger and Castle Mountains. * WHEN...For the first High Wind Warning, until 11 PM MST Wednesday. For the second High Wind Warning, from midnight Wednesday Night to 11 AM MST Friday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.
INSTRUCTION: People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates.
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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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