Weather Alert in Alaska
High Wind Watch issued August 21 at 9:45PM AKDT until August 23 at 4:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Central Brooks Range; Romanzof Mountains
DESCRIPTION: * WHAT...Southwest winds 25 to 40 mph with gusts up to 55 mph possible. * WHERE...Central Brooks Range and Romanzof Mountains. * WHEN...From Saturday morning through Saturday afternoon. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. Expect to see the strongest winds at high elevations, and in any north-south oriented mountain passes. * ADDITIONAL DETAILS...This will be a very brief event as a low pressure system passes north of the Brooks Range. Winds will strengthen rapidly Saturday morning and diminish quickly Saturday afternoon.
INSTRUCTION: 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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