Weather Alert in Montana
Special Weather Statement issued August 2 at 7:22PM MDT by NWS Missoula MT
AREAS AFFECTED: Kootenai/Cabinet Region; West Glacier Region; Flathead/Mission Valleys
DESCRIPTION: At 720 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 31 miles north of West Glacier to 11 miles west of Whitefish. Movement was east at 25 mph. HAZARD...Wind gusts up to 40 mph, heavy rain and frequent lightning. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Heavy rain main limit visibility and cause ponding on roadways. Locations impacted include... Kalispell, Evergreen, Whitefish, Columbia Falls, West Glacier, Apgar, Lake McDonald, Martin City, Coram, Lupfer, Hungry Horse, La Salle, and Nyack. This includes the following highways... Highway 2 between mile markers 124 and 163. Highway 93 N between mile markers 116 and 139.
INSTRUCTION: Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. Persons in campgrounds should consider seeking sturdy shelter until these storms pass.
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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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