Weather Alert in Alaska
Heat Advisory issued August 22 at 4:02PM AKDT until August 24 at 7:00PM AKDT by NWS Juneau AK
AREAS AFFECTED: City of Hyder
DESCRIPTION: * WHAT...Temperatures up to around 80 degrees expected. * WHERE...City of Hyder. * WHEN...From noon Saturday to 7 PM AKDT Sunday. * IMPACTS...Individuals not accustomed to these unusually warm temperatures for this region may experience heat related illnesses. * ADDITIONAL DETAILS...Warm temperatures are expected Saturday, reaching into the high 70s to low 80s. Warm temperatures will continue through the rest of the weekend and into the start of next week. Even though the advisory lasts through Sunday, warmest temperatures will be noon into the evening hours with nighttime temperatures in the 60s. Expect the warmest temperatures to be over inland areas.
INSTRUCTION: Drink plenty of fluids and check up on elderly and vulnerable relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances as vehicle interiors can reach extreme temperatures in as little as 10 minutes. Take extra precautions when working in the sun. Wear sunscreen and lightweight, loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Close curtains during the daytime to reduce sun insolation into the home and open windows at night to allow the home to cool off. Utilize fans or community buildings with air conditioning.
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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
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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