Weather Alert in Utah
Winter Weather Advisory issued February 23 at 10:13PM MST until February 25 at 5:00PM MST by NWS Salt Lake City UT
AREAS AFFECTED: Wasatch Mountains I-80 North; Wasatch Mountains South of I-80; Western Uinta Mountains
DESCRIPTION: * WHAT...Snow expected above 8000 feet. Above 8000 feet, 2 to 8 inches expected. Above 9000 feet, 6 to 16 inches expected. Locally higher amounts to 18 inches possible for the Bear River Range and Upper Cottonwoods. Winds gusting as high as 80 mph across exposed mountain ridgelines. * WHERE...The Wasatch Mountains, and Western Uinta Mountains. * WHEN...From 8 AM Tuesday to 5 PM MST Wednesday. * IMPACTS...Travel could be difficult at times along high elevation routes like Logan Summit, the Upper Cottonwoods, and Wolf Creek Pass. Traction law restrictions may be enacted. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels begin around 6500 feet at the onset of precipitation, but quickly rise to around 8000 feet by Tuesday afternoon. Snow levels may rise as high as 10000 feet overnight under heavy precipitation. Snow character will be heavy and wet given the warm nature of this storm.
INSTRUCTION: Dangerous conditions already exist in the backcountry, per the Utah Avalanche Center. Heavy, wet snow is expected, so backcountry users should exercise extra caution and consult utahavalanchecenter.org for avalanche forecasts. Slow down and use caution while traveling. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter.
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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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