Weather Alert in Alaska
Winter Weather Advisory issued February 28 at 1:51PM AKST until February 28 at 9:00PM AKST by NWS Juneau AK
AREAS AFFECTED: Western Kupreanof and Kuiu Island
DESCRIPTION: ...CENTRAL AND SOUTHERN PANHANDLE SNOW SATURDAY WITH POTENTIAL FOR MORE SNOW SUNDAY... Steady snowfall continues across a majority of the panhandle and will continue to pick up as the low moves into the eastern gulf through Saturday afternoon. Later in the afternoon and evening, south to southwest wind are expected to cause temperatures to warm over the southern outer coast with precipitation becoming a mix or changing to all rain. Around the same time, snow will end on the NW side of the low, from Sitka to Juneau and 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 additional heavy snow expected 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 once again. * WHAT...For the first Winter Weather Advisory, snow. Additional snow accumulations of up to two inches. For the second Winter Weather Advisory, snow expected. Total snow accumulations of 4 to 6 inches. * WHERE...Western Kupreanof Island and Kuiu Island. * WHEN...For the first Winter Weather Advisory, until 9 PM AKST this evening. For the second Winter Weather Advisory, from noon Sunday to 9 AM AKST Monday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...Heaviest snowfall rates are expected through the afternoon hours. A break is expected overnight Saturday into Sunday morning before another band of snow develops and pushes northward Sunday afternoon.
INSTRUCTION: Slow down and use caution while traveling. People are urged to prepare their property before the onset of winter weather.
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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