Weather Alert in Alaska
Winter Storm Warning issued February 18 at 10:49PM AKST until February 20 at 6:00AM AKST by NWS Juneau AK
AREAS AFFECTED: Cape Fairweather to Lisianski Strait
DESCRIPTION: ...ACCUMULATING SNOW ACROSS THE PANHANDLE TO END THE WEEK... .A front moving across the gulf and developing low across the northern coast will bring snow showers to the panhandle beginning late Wednesday night. With stable cold dry continental air in place ahead of this system, precipitation is expected to remain snow throughout the event with high snow ratios. The initial frontal wave will push eastward into the panhandle with the northeast gulf coast seeing showers late tonight and highest snow accumulations expected along the outer coast with orographic enhancement. For most areas, snow is expected to be light and fluffy in nature due to cold temperatures both aloft and down to the surface. * WHAT...Heavy snow expected. Total snow accumulations of 9 to 12 inches. * WHERE...Cape Fairweather to Lisianski Strait. * WHEN...From 3 AM Thursday to 6 AM AKST Friday. * IMPACTS...Travel will be very difficult. * ADDITIONAL DETAILS...Snow showers are expected to begin early Thursday morning and increase in intensity through the day as the initial frontal band pushes into the outer coast. A secondary batch of heavier showers is expected to impact the area soon afterwards as the surface low develops and begins to drop southward into the gulf.
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 are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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