Weather Alert in Montana
Winter Storm Warning issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT
AREAS AFFECTED: Big Belt, Bridger and Castle Mountains
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches over Bozeman and Battle Ridge Passes. Winds gusting as high as 40 mph will create areas of blowing snow Thursday evening and overnight. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From 9 AM Thursday to noon MDT Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. * ADDITIONAL DETAILS...Snow accumulation on road surfaces may be limited through Thursday afternoon with increasing chances for travel impacts from snow accumulation and wind Thursday evening.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period.
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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