Weather Alert in Minnesota
Extreme Heat Warning issued June 21 at 12:28AM CDT until June 22 at 9:00PM CDT by NWS Duluth MN
AREAS AFFECTED: South Cass; Crow Wing; South Aitkin; Pine; Douglas; Bayfield; Ashland; Iron; Burnett; Washburn; Sawyer; Price
DESCRIPTION: * WHAT...Dangerously hot conditions with heat index values up to 105 expected. * WHERE...In Minnesota, Crow Wing, Pine, South Aitkin, and South and Cass Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the Red Cliff Band, the St. Croix Band in Burnett County, the Bad River Reservation, the northwestern area of the Lac du Flambeau Band and the Mille Lacs Band, Hinckley, Lena Lake and, East Lake areas. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...From noon today to 9 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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