Weather Alert in Minnesota
Blizzard Warning issued February 17 at 11:08PM CST until February 19 at 12:00PM CST by NWS Duluth MN
AREAS AFFECTED: Carlton/South St. Louis
DESCRIPTION: * WHAT...Blizzard conditions. Additional snow accumulations between 4 and 7 inches except between 5 and 12 inches for the higher terrain of the North Shore and ice accumulations around a light glaze. Winds gusting as high as 60 mph. * WHERE...Carlton and South St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band. * WHEN...Until noon CST Thursday. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening.
INSTRUCTION: Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Call 511 or visit www.511mn.org for Minnesota road information. Do not travel unless you must due to emergencies only. If you must travel, especially along Highway 61 on the North Shore, have a winter survival kit with you. If you get stranded, stay with your vehicle.
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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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