Weather Alert in Minnesota
Winter Storm Watch issued February 15 at 2:32PM CST until February 19 at 12:00PM CST by NWS Duluth MN
AREAS AFFECTED: Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; Northern Aitkin; Carlton/South St. Louis
DESCRIPTION: * WHAT...Heavy snow, patchy blowing snow, and mixed precipitation possible. There is a 50 to 90 percent chance for total snow accumulations in excess of 6 inches, highest for the higher terrain of the North Shore. There is also a 20 to 70 percent chance for at least a glaze of ice accumulations. Winds could gust as high as 35 mph. * WHERE...Northern Aitkin, Koochiching, North Cass, Itasca, Carlton, St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake area and the Bois Forte Band, Nett Lake, Deer Creek and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From Tuesday evening through Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday evening, Wednesday, and Thursday morning commutes. * ADDITIONAL DETAILS...Periods of gusty winds and visibility of less than one quarter mile are possible in the Winter Storm Watch area. The best potential for a wintry mix will be along and south of the Iron Range Tuesday evening into Wednesday morning.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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