Weather Alert in Minnesota
Winter Storm Warning issued February 17 at 9:20PM CST until February 19 at 12:00PM CST by NWS Duluth MN
AREAS AFFECTED: Central St. Louis; Carlton/South St. Louis
DESCRIPTION: * WHAT...Heavy snow with light ice accumulations expected. Total snow accumulations between 4 and 8 inches except between 8 and 12 inches for the higher terrain northeast of Duluth. Ice accumulations up to one tenth of an inch. Winds gusting as high as 55 mph. * WHERE...Carlton and South and Central St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band and the Bois Forte Band, Lake Vermilion area. * 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. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...The strongest winds are expected this evening through Wednesday morning from the east off Lake Superior. Near whiteout conditions are possible for a few hour period late this evening through very early Wednesday morning as high snowfall rates could combine with those peak winds gusting to 55 mph.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information. Do not touch downed lines and report any power outages to your electric company. Slick roadways and the possibility of downed trees and power lines may create hazardous travel conditions.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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
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