Weather Alert in Wyoming
Winter Weather Advisory issued February 18 at 12:54AM MST until February 19 at 11:00AM MST by NWS Cheyenne WY
AREAS AFFECTED: Converse County Lower Elevations; Niobrara County; North Laramie Range
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches in the lower elevations with 4 to 8 inches over the northern Laramie Range. Winds gusting as high as 35 mph with areas of drifting snow. * WHERE...Converse County Lower Elevations, Niobrara County, and North Laramie Range. * WHEN...From 5 PM this afternoon to 11 AM MST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
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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North America Water Vapor (Moisture)
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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