Weather Alert in Alaska
Winter Storm Watch issued February 12 at 1:33PM AKST until February 15 at 9:00PM AKST by NWS Fairbanks AK
AREAS AFFECTED: White Mountains and High Terrain South of the Yukon River; Upper Chena River Valley; Tanana Flats; Eielson AFB and Salcha; Goldstream Valley and Nenana Hills; Chatanika River Valley; Two Rivers; Fairbanks Metro Area; Nenana; Central Interior; Northern Denali Borough
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations in excess of 6 inches possible. * WHERE...Central Interior, Chatanika River Valley, Eielson AFB and Salcha, Fairbanks Metro Area, Goldstream Valley and Nenana Hills, Nenana, Northern Denali Borough, Tanana Flats, Two Rivers, Upper Chena River Valley, and White Mountains and High Terrain South of the Yukon River. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...The bulk of the snow will fall on Saturday, though there will be another round of light and fluffy snow on Sunday. 4 to 8 inches of snow is possible on Saturday with another 2 to 4 inches possible on Sunday. Winds will be gusty Saturday night with gusts up to 50 mph in the terrain around Fairbanks, and up to 25 mph in Fairbanks.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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North America Water Vapor (Moisture)
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Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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