Weather Alert in Alaska
Winter Weather Advisory issued March 22 at 1:13PM AKDT until March 23 at 4:00AM AKDT by NWS Juneau AK
AREAS AFFECTED: Petersburg Borough; Western Kupreanof and Kuiu Island
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. Total snow accumulations of 2 to 5 inches. Visibilities reduced to 1 mile or less. * WHERE...Petersburg, Kake, and Port Alexander. * WHEN...Until 4 AM AKDT Monday. * IMPACTS...Travel by land, air, and sea could be impacted. * ADDITIONAL DETAILS...Snow showers are now expected start up again this afternoon across Kupreanof and Kuiu Islands and last into tonight. Snowfall accumulations will be variable across the area due to the hit or miss nature of these showers with the higher snow rates expected this evening.
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 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
Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
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