Weather Alert in Utah
Special Weather Statement issued February 18 at 8:09AM MST by NWS Salt Lake City UT
AREAS AFFECTED: Zion National Park; Southern Mountains; Bryce Canyon Country; South Central Utah
DESCRIPTION: At 807 AM MST...A line of snow squalls was along a line extending from 13 miles south of Hatch to near Colorado City...and moving east northeast at 25 mph. Locations impacted include... Kanab, Zion National Park, Bryce Canyon National Park, Hildale, Orderville, Glendale, Alton, Coral Pink Sand Dunes, Long Valley Junction, and Mt Carmel. This includes US Route 89 between mile markers 53 and 109. * winds in excess of 25 mph are possible with this squall. * visibilities will drop quickly to less than a half mile in this squall. * sudden and brief snowfall rates of 1 to 2 inches per hour are possible in this squall. Rapid visibility reduction and potentially icy roads are likely to produce hazardous driving conditions. Travel is not advised during this snow squall. If you are traveling and encounter adverse winter driving conditions, reduce speed and make sure headlights are on to increase the visibility of your vehicle to those around you. Icy roads are possible as the snow melts on the roads then quickly refreezes.
INSTRUCTION: N/A
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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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