Weather Alert in Colorado
Winter Weather Advisory issued April 27 at 12:52PM MDT until April 28 at 6:00AM MDT by NWS Grand Junction CO
AREAS AFFECTED: Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains
DESCRIPTION: * WHAT...Snow expected above 9000 feet. Total snow accumulations of 6 to 12 inches. * WHERE...Grand and Battlement Mesas, Gore and Elk Mountains/Central Mountain Valleys and West Elk and Sawatch Mountains. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery road conditions. A detailed map of the snowfall can be found at: www.weather.gov/gjt/winter.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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North America Water Vapor (Moisture)
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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
