Weather Alert in Alaska

Recent Locations: Surry, VA   Holtsville, NY   Arctic Village, AK  

Winter Weather Advisory issued March 3 at 6:25AM AKST until March 3 at 3:00PM AKST by NWS Juneau AK

AREAS AFFECTED: Petersburg Borough; Western Kupreanof and Kuiu Island

DESCRIPTION: ...SNOW FOR THE NORTHERN AND CENTRAL PANHANDLE THROUGH WEDNESDAY... Another system is moving into the panhandle early this morning is bringing 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 Kake over to Petersburg, however, if the changeover is delayed, snowfall amounts could be higher. * WHAT...Snow. Additional snow accumulations of 2 to 10 inches. * WHERE...City and Borough of Sitka, Petersburg Borough and Western Kupreanof Island and Kuiu Island. * WHEN...Until 3 PM AKST Tuesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...Snowfall amounts will be highly dependent on how fast the changeover to rain occurs on Tuesday. A delay in the changeover timing could result in higher snowfall amounts. Sitka is already seeing a rain/snow mix this morning though they could change to all snow as heavier precip rates move in before changing back to rain later.

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

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

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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