Weather Alert in Alaska
Winter Storm Warning issued March 3 at 2:52PM AKST until March 4 at 12:00PM AKST by NWS Juneau AK
AREAS AFFECTED: Admiralty Island
DESCRIPTION: ...SNOW FOR THE NORTHERN AND CENTRAL PANHANDLE THROUGH WEDNESDAY... The next surge of snow is expected this evening as the main low moves closer to the panhandle bringing more moisture to the area. This next surge of moisture is expected to bring increasing snowfall rates to the Icy Strait corridor this evening. Along with this second wave of snow, the original band of snow is expected to set up around the Yakutat area bringing more accumulating snow to the area with the heaviest parts to the west of Yakutat. * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Admiralty Island. * WHEN...Until noon AKST Wednesday. * IMPACTS...Plan on slippery conditions.
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.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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