Weather Alert in Wisconsin
Winter Storm Watch issued March 12 at 9:24PM CDT until March 16 at 4:00PM CDT by NWS Green Bay WI
AREAS AFFECTED: Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Southern Marinette County
DESCRIPTION: * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations between 5 and 9 inches. Winds gusting as high as 40 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 12 and 18 inches possible. Winds could gust as high as 45 mph. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Menominee, Northern Marinette County, Northern Oconto County, and Southern Marinette counties. * WHEN...For the Winter Storm Warning, until 1 PM CDT Friday. For the Winter Storm Watch, from Saturday evening through Monday afternoon. * IMPACTS...For the Winter Storm Warning, travel could be very difficult. Areas of blowing and drifting snow could significantly reduce visibility. The hazardous conditions will impact the Friday morning commute. Gusty winds could bring down tree branches. For the Winter Storm Watch, the strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Whiteout and near blizzard conditions are possible and may make travel treacherous and potentially life-threatening. Travel could be very difficult to impossible.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1. Monitor the latest forecasts for updates on the situation for Saturday night into Monday. People should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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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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