Weather Alert in Wyoming
Winter Storm Warning issued February 25 at 1:31AM MST until February 25 at 5:00PM MST by NWS Riverton WY
AREAS AFFECTED: Wind River Mountains West
DESCRIPTION: * WHAT...Heavy snow expected. Additional snow accumulations of 9 to 15 inches for elevations above 9,500 feet AGL. 2 to 4 inches possible over South Pass. Gusty west winds around 60 mph will be common, including over South Pass. * WHERE...Wind River Mountains West. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult over South Pass. The hazardous conditions could impact the Wednesday morning commute. * ADDITIONAL DETAILS...For South Pass, the most likely period of heavy snow will occur before 11AM MST.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .
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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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