Weather Alert in Alaska
Winter Weather Advisory issued March 22 at 1:13PM AKDT until March 23 at 10:00AM AKDT by NWS Juneau AK
AREAS AFFECTED: City and Borough of Sitka
DESCRIPTION: ...ANOTHER ROUND OF SNOW EXPECTED FOR THE SOUTHERN AND CENTRAL PANHANDLE THROUGH MONDAY... .Another short wave bringing stronger snow showers is moving through the southern panhandle this afternoon. The snow showers have brought visibility down to less then a mile at times already south of Sumner Strait. Accumulations in the south will be the highest on the higher elevations of Prince of Wales Island midday Sunday, but more accumulations expected at sea level by Sunday evening and night as temperatures cool through Sunday evening. That short wave is then expected to move up to near northern Baranof and southern Chichagof Islands by late Sunday night and stall there into Monday possibly bringing persistent snow showers to Tenakee Springs and Angoon Monday. Though if the low tracks differently snow totals could turn out lower. * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. * WHERE...City and Borough of Sitka. * WHEN...From 7 PM this evening to 10 AM AKDT Monday. * IMPACTS...Travel by land, air, and sea could be impacted. * ADDITIONAL DETAILS...Snow showers are expected to increase in frequency this evening with showers persisting overnight Sunday night. Highest snow rate will likely be late Sunday night.
INSTRUCTION: Slow down and use caution while traveling. People are urged to prepare their property before the onset of winter weather. For the latest road conditions, where available, call 5 1 1 or visit 511.alaska.gov.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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