Weather Alert in Utah
Special Weather Statement issued February 18 at 8:13AM MST by NWS Salt Lake City UT
AREAS AFFECTED: Great Salt Lake Desert and Mountains; Tooele and Rush Valleys
DESCRIPTION: At 812 AM MST...A line of snow squalls was along a line extending from 7 miles west of Grantsville to 7 miles southwest of Vernon...and moving east at 25 mph. Locations impacted include... Tooele, Grantsville, Dugway English Village, Stansbury Park, Vernon, Ophir, Delle, Tooele Army Depot, Skull Valley, Tooele Army Depot South, Stockton, Rush Valley, Erda, Faust, Lofgreen, and Lake Point. This includes Interstate 80 in Utah between mile markers 69 and 98. * winds in excess of 35 mph are possible with this squall. * visibilities will drop quickly to less than a half mile 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. Conditions can deteriorate rapidly in winter weather situations. Be prepared for snow or ice covered roads. Slow down and allow extra time when traveling.
INSTRUCTION: N/A
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Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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