Weather Alert in Montana
Winter Weather Advisory issued February 19 at 4:52AM MST until February 19 at 11:00AM MST by NWS Billings MT
AREAS AFFECTED: Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains
DESCRIPTION: * WHAT...Periods of light to moderate snow. Additional snow accumulations up to one inch. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...Snow will impact recreation in the high country, as well as travel along Highway 14 through the Bighorn Mountains.
INSTRUCTION: Be prepared for wintry conditions if you have plans in the backcountry.
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Current U.S. National Radar--Current
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North America Water Vapor (Moisture)
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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
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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