Weather Alert in Minnesota
Winter Storm Warning issued February 17 at 1:00PM CST until February 19 at 12:00PM CST by NWS Duluth MN
AREAS AFFECTED: Northern Cook/Northern Lake
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches except between 15 and 20 inches for the higher terrain of the North Shore. Winds gusting as high as 50 mph. * WHERE...Northern Cook and Lake County. This also includes the Boundary Waters eastern and central area. * WHEN...From 9 PM this evening to noon CST Thursday. * IMPACTS...Near whiteout conditions are possible as visibilities may drop to around 1/4 mile due to falling and blowing snow. * ADDITIONAL DETAILS...Expect terrain enhancement to snowfall totals and snowfall rates along the North Shore terrain ridge parts of central Lake County. The heaviest snowfall rates will be tonight and Wednesday morning.
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.
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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