Weather Alert in Alaska
Special Weather Statement issued February 24 at 11:03AM AKST by NWS Anchorage AK
AREAS AFFECTED: Central Aleutians
DESCRIPTION: A strong front will approach and then stall across the Central Aleutians, including the cities of Adak and Atka, on Wednesday afternoon with sustained winds of 40 to 45 mph, and increasing up to 55 mph through Thursday morning. Maximum wind gusts will occur Thursday morning with gusts as high as 60 to 65 mph. Accompanying the winds will be an axis of heavy precipitation, most likely in the form of heavy wet snow starting Wednesday afternoon, mixing with rain at times as temperatures remain steady in the mid 30s. Snowfall accumulations of 2 to 4 inches will be in store for Atka, while Adak may see lesser amounts due to potentially more rain mixing in. Winds will then slowly diminish through Friday morning, though gusts up to 40 to 45 mph will linger into the first half of the weekend. -AM
INSTRUCTION: N/A
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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