Weather Alert in Utah
Winter Storm Warning issued February 17 at 9:49PM MST until February 19 at 5:00AM MST by NWS Salt Lake City UT
AREAS AFFECTED: Wasatch Back
DESCRIPTION: * WHAT...Heavy snow. Total snow accumulations between 6 and 14 inches with locally higher amounts up to 18 inches near Park City. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Winter driving conditions are expected. Traction restrictions are likely. Snow likely to impact the Wednesday morning commute, especially through Parleys Canyon. * ADDITIONAL DETAILS...A period of heavy snow is expected between roughly 5 AM to 11 AM, with snowfall rates exceeding 1 inch per hour. Showery conditions will persist through the remainder of the day.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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