Weather Alert in Alaska
Winter Storm Watch issued February 8 at 2:15PM AKST until February 12 at 3:00AM AKST by NWS Fairbanks AK
AREAS AFFECTED: Eastern Norton Sound and Nulato Hills; Yukon Delta Coast; Lower Yukon River
DESCRIPTION: * WHAT...Snow and gusty winds possible. Total snow accumulations of 3 to 6 inches possible. Winds could gust as high as 55 mph. * WHERE...Eastern Norton Sound and Nulato Hills, Lower Yukon River, and Yukon Delta Coast. * WHEN...From late Monday night through late Wednesday night. * IMPACTS...Travel could be very difficult. Areas of blowing and falling snow could significantly reduce visibility below 1/2 to 1/4 mile. * ADDITIONAL DETAILS...Winds will ramp up early Tuesday morning ahead of snow building in throughout the day out of the south.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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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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