Weather Alert in Alaska
Winter Storm Warning issued March 1 at 5:28AM AKST until March 2 at 9:00AM AKST by NWS Juneau AK
AREAS AFFECTED: Petersburg Borough
DESCRIPTION: ...ANOTHER ROUND OF SNOWFALL EXPECTED SUNDAY FOR CENTRAL PANHANDLE... The active weather pattern continues through Sunday as remnants of yesterday's storm continues to dissipate. Split flow will develop as an incoming front stalls across the central panhandle, with cold strong northerly outflow winds developing across the northern inner channels and warmer southerly winds across the southern panhandle. This sets the stage for portions of the central and southern panhandle to see moderate to heavy snowfall by Sunday afternoon through Sunday evening as another surge of moisture pushes into the area. A transition to a rain snow mix is expected through Monday morning with a transition to rain by Monday afternoon as temperatures increase. Main forecast challenge is potential for temperatures to warm up quicker than expected through Sunday night and into Monday morning with the front moving further north, limiting snowfall accumulations. * WHAT...Heavy snow expected. Total snow accumulations of 8 to 12 inches. * WHERE...Petersburg Borough. * WHEN...From 9 AM this morning to 9 AM AKST Monday. * IMPACTS...Travel will be very difficult. * ADDITIONAL DETAILS...An approaching system from the south will bring heavier snowfall rates by Sunday afternoon and persist into Monday morning.
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. 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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