Weather Alert in Idaho
Winter Weather Advisory issued February 16 at 2:01AM MST until February 17 at 5:00PM MST by NWS Pocatello ID
AREAS AFFECTED: Frank Church Wilderness; Sawtooth/Stanley Basin; Sun Valley Region; Big Lost Highlands/Copper Basin
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches below 7500 feet with total snow accumulations between 8 and 12 inches above 7500 feet. Blowing and drifting snow with winds gusting as high as 40 mph. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From 8 PM this evening to 5 PM MST Tuesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes.
INSTRUCTION: Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions.
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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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