Weather Alert in Utah
Winter Storm Warning issued February 18 at 2:58AM MST until February 18 at 5:00PM MST by NWS Salt Lake City UT
AREAS AFFECTED: Southern Mountains
DESCRIPTION: * WHAT...Heavy snow expected. Total snow accumulations of 8 and 18 inches across much of the southern mountains with 1 to 2 feet near the Tushar and Pine Valley ranges. Locally up 3 feet near Brian Head. Winds gusting as high as 60 mph. * WHERE...Southern Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. * ADDITIONAL DETAILS...A period of heavy snow is expected through roughly 10 AM, with snowfall rates 1 to 2 inches per hour possible at times, except likely exceeding 2 inches per hour in the Brian Head area Wednesday morning. Showery conditions will persist through the remainder of the day.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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