Weather Alert in Minnesota
Winter Weather Advisory issued March 12 at 3:21AM CDT until March 13 at 7:00AM CDT by NWS Duluth MN
AREAS AFFECTED: North Cass; South Itasca; Northern Aitkin
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 50 mph. * WHERE...Northern Aitkin, North Cass, and South Itasca Counties. This includes the Tribal Lands of the Mille Lacs Band, Big Sandy Lake area. * WHEN...From 1 PM this afternoon to 7 AM CDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Strong winds paired with intense snowfall rates will lead to greatly reduced visibility.
INSTRUCTION: Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information.
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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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