Weather Alert in Wisconsin
Winter Weather Advisory issued April 1 at 1:59PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN
AREAS AFFECTED: Douglas
DESCRIPTION: * WHAT...For the Winter Weather Advisory, mixed precipitation expected. Total snow and sleet accumulations between 3 and 5 inches and ice accumulations around a light glaze. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow and sleet accumulations up to two inches and ice accumulations between one tenth and two tenths of an inch possible. * WHERE...Douglas County. * WHEN...For the Winter Weather Advisory, from 1 AM Thursday to 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through Saturday morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes. * ADDITIONAL DETAILS...Worst conditions will be closer to Lake Superior as strong winds off of the Lake will lead to higher snow totals and greater reductions in visibilities. The majority of the snowfall is expected to fall during the daytime hours. With the high sun angle and temperatures hovering just above freezing, snowfall will have a difficult time accumulating on warm surfaces leading to a slushy mess.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. Slow down and use caution while traveling. In Minnesota, call 511 or visit www.511mn.org for Minnesota road information. In Wisconsin, call 511 or visit www.511wi.gov for Wisconsin road information.
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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
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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