Weather Alert in Alaska
Heat Advisory issued August 23 at 11:59AM AKDT until August 25 at 7:00PM AKDT by NWS Juneau AK
AREAS AFFECTED: City of Hyder
DESCRIPTION: * WHAT...High Temperatures exceeding 80 degrees expected. * WHERE...City of Hyder. * WHEN...Until 7 PM AKDT Monday. * IMPACTS...Individuals not accustomed to these unusually warm temperatures for this region may experience heat related illnesses. * ADDITIONAL DETAILS...Warm temperatures are expected each day through Monday, reaching well into the 80s for day time highs. Even though the heat advisory lasts into Monday evening, the warmest temperatures will be daily from noon into the early evening hours, with overnight temperatures then falling well into the 60s. Expect the warmest temperatures to be the farthest away from the water away from significant sea breeze influence.
INSTRUCTION: Drink plenty of fluids, check up on our elders, and especially check up on people you know who may be vulnerable to heat stress due to pre-existing health concerns. 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 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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