Weather Alert in Alaska
Heat Advisory issued August 24 at 3:30AM AKDT until August 25 at 7:00PM AKDT by NWS Juneau AK
AREAS AFFECTED: City of Hyder
DESCRIPTION: * WHAT...Temperatures up to 85 degrees expected. * WHERE...City of Hyder. * WHEN...Until 7 PM AKDT Monday. * IMPACTS...Individuals not accustomed to these unusually hot temperatures for this region may experience heat related illnesses. * ADDITIONAL DETAILS...Temperatures will warm to around 80 degrees Sunday afternoon.
INSTRUCTION: Drink plenty of fluids and check up on elderly and vulnerable relatives and neighbors. 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 insulation 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 Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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