Weather Alert in Alaska
Winter Storm Warning issued February 28 at 5:49AM AKST until February 28 at 11:00PM AKST by NWS Juneau AK
AREAS AFFECTED: City and Borough of Juneau
DESCRIPTION: ...CENTRAL AND SOUTHERN PANHANDLE SNOW SATURDAY WITH POTENTIAL FOR MORE SNOW SUNDAY... Snowfall has increased in intensity and coverage overnight as a low tracks eastward across the Gulf towards the central panhandle. An estimated 2 to 4 inches has fallen overnight, these accumulations are separate from the next system set to affect the area through Saturday. Steady snowfall will continue through Saturday morning with rates increasing through the afternoon. Heaviest snowfall rates are expected to start by mid day along the coast, spreading eastward towards Hyder through Saturday night. As the low center tracks eastward through Saturday afternoon and evening, south to southwest wind will cause temperatures to warm over the southern outer coast with a mix or change to rain. Snow will then end on the NW side of the low, from Sitka to Juneau northward. Moisture will decrease overnight Saturday across the south, but then redevelop on Sunday as another system moves in. The rain/snow line will likely hover in vicinity of Sumner Strait Sunday into Monday with potential additional heavy snow for the Petersburg and Wrangell areas and lighter snow northward. A separate low pressure system looks to affect the region on Tuesday with potential for snow to push northward again. * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches. * WHERE...City and Borough of Juneau. * WHEN...Until 11 PM AKST Saturday. * IMPACTS...Travel will be difficult. * ADDITIONAL DETAILS...Heaviest snowfall rates will be mid day Saturday into the early evening.
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 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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