Weather Alert in Alaska
Winter Storm Warning issued March 2 at 1:35PM AKST until March 4 at 12:00PM AKST by NWS Juneau AK
AREAS AFFECTED: Admiralty Island
DESCRIPTION: ...MULTIPLE ROUNDS OF SNOWFALL EXPECTED THROUGH MIDWEEK... Light snow will continue into this evening along the Icy Strait corridor south to Sumner Strait, with an additional 1 to 2 inches possible. Another system moving into the panhandle tonight will bring heavier snowfall rates across much of central and northern southeast Alaska. Snow is expected to mix with and eventually change over to rain on Tuesday from Sitka over to Kake and Petersburg, however, if the changeover is delayed, snowfall amounts could be higher. * WHAT...Heavy snow expected. Total snow accumulations of 9 to 12 inches. * WHERE...Admiralty Island. * WHEN...From midnight tonight to noon AKST Wednesday. * IMPACTS...Travel will be very difficult and is discouraged unless it is an emergency. * ADDITIONAL DETAILS...Heaviest snowfall rates are expected Tuesday morning and afternoon, with snowfall rates of an inch an hour possible.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water with you in case of an emergency. People are urged to prepare their property before the onset of winter weather.
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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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