Weather Alert in Colorado
Winter Weather Advisory issued March 31 at 3:37AM MDT until April 2 at 6:00AM MDT by NWS Grand Junction CO
AREAS AFFECTED: Elkhead and Park Mountains
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 6 and 14 inches with locally higher amounts possible above timberline. Winds gusting as high as 40 mph. * WHERE...Elkhead and Park Mountains. * WHEN...From 9 PM this evening to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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North America Water Vapor (Moisture)
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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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