Weather Alert in Alaska
Winter Weather Advisory issued February 18 at 10:49PM AKST until February 19 at 9:00PM AKST by NWS Juneau AK
AREAS AFFECTED: City and Borough of Juneau
DESCRIPTION: ...ACCUMULATING SNOW ACROSS THE PANHANDLE TO END THE WEEK... .A front moving across the gulf and developing low across the northern coast will bring snow showers to the panhandle beginning late Wednesday night. With stable cold dry continental air in place ahead of this system, precipitation is expected to remain snow throughout the event with high snow ratios. The initial frontal wave will push eastward into the panhandle with the northeast gulf coast seeing showers late tonight and highest snow accumulations expected along the outer coast with orographic enhancement. For most areas, snow is expected to be light and fluffy in nature due to cold temperatures both aloft and down to the surface. * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...City and Borough of Juneau. * WHEN...From 3 AM to 9 PM AKST Thursday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the evening commute. * ADDITIONAL DETAILS...Snow showers will begin to impact the area early Thursday. There is some uncertainty as to the intensity of further snow showers Thursday evening into Friday as the low tracks southward along the outer coast and easterly winds aloft increase.
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 is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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
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