Weather Alert in Utah
Winter Storm Warning issued February 18 at 2:58AM MST until February 18 at 7:00PM MST by NWS Salt Lake City UT
AREAS AFFECTED: Cache Valley/Utah Portion
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations between 3 and 8 inches. * WHERE...Cache Valley/Utah Portion. * WHEN...From 8 AM this morning to 7 PM MST this evening. * IMPACTS...Winter driving conditions are expected. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A period of heavy snow is expected from roughly 10 AM to 3 PM, with snowfall rates of 1 inch or more per hour possible at times. 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 Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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
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