Weather Alert in Alaska
Winter Weather Advisory issued February 22 at 8:43AM AKST until February 24 at 3:00PM AKST by NWS Fairbanks AK
AREAS AFFECTED: Noatak Valley; Kivalina and Red Dog Dock; Baldwin Peninsula
DESCRIPTION: * WHAT...Snow and blowing snow. Additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...Baldwin Peninsula, Kivalina and Red Dog Dock, and Noatak Valley. * WHEN...Until 3 PM AKST Tuesday. * IMPACTS...Visibilities may drop below 1/2 mile due to blowing snow. Travel could be very difficult. * ADDITIONAL DETAILS...Weakening winds have improved conditions early Sunday. Snow continues into Sunday evening. Overnight Sunday into Monday winds shift to the northwest and strengthen once more leading to additional periods of blowing snow Monday and Tuesday.
INSTRUCTION: Slow down and use caution while traveling.
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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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