Weather Alert in Minnesota
Winter Weather Advisory issued February 18 at 7:52AM CST until February 18 at 3:00PM CST by NWS Aberdeen SD
AREAS AFFECTED: Traverse; Big Stone; Roberts; Grant
DESCRIPTION: * WHAT...Snow and widespread blowing snow. Additional snow accumulations up to two inches. Winds gusting as high as 55 mph. * WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Grant and Roberts Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Plan on slippery road conditions. Falling and blowing snow, frequently reducing visibility below a half mile, will make travel dangerous, especially in open country. The hazardous conditions could impact the Wednesday morning commute. Very strong winds could cause extensive tree damage.
INSTRUCTION: Slow down and use caution while traveling. In Minnesota, the latest road conditions can be obtained at 511mn.org, or by calling 5 1 1. In South Dakota, the latest road conditions can be obtained by calling 5 1 1.
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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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