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: Marathon; Shawano
DESCRIPTION: * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 45 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 12 and 18 inches with localized totals up to 24 inches possible. Winds could gust as high as 40 mph. * WHERE...Marathon and Shawano Counties. * WHEN...For the Winter Weather Advisory, until 1 PM CDT Friday. For the Winter Storm Watch, from Saturday evening through Monday afternoon. * IMPACTS...For the Winter Weather Advisory, plan on slippery road conditions. Patchy 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: Slow down and use caution while traveling. 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 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
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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