Weather Alert in Wyoming
Winter Weather Advisory issued February 18 at 12:54AM MST until February 19 at 5:00AM MST by NWS Cheyenne WY
AREAS AFFECTED: Snowy Range
DESCRIPTION: * WHAT...Periods of snow expected with blowing snow. Total snow accumulations between 12 and 18 inches through Thursday morning. Winds could gust as high as 65 mph. * WHERE...Snowy Range. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Poor visibility expected in falling and blowing snow. Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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Current U.S. National Radar--Current
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North America Water Vapor (Moisture)
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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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