Atmosphere
Air Pressure
Humidity and Dew Point
Weather Tools
Fronts and Air Mass
Grab Bag
200
What is true about the earth's atmosphere?
It surrounds most of the earth.
It is layered.
It is layered.
200
As elevation increases air pressure....
This is an inverse/direct relationship
Decreases.
Inverse Relationship
200
What is the relative humidity at 9am?
60%
200
I measure the direction of wind.
Weather vane
200
An air mass that forms over Canada would be....
Dry and cold
200
What is one thing you can do to avoid overexposure to UV radiation?
Use sunscreen, wear a hat, seek shade.
400
What two gases make up most of the earth's atmosphere?
Nitrogen and Oxygen.
400
The wind is blowing from right to left because the right has higher.....?
Air Pressure
400
Describe the relationship between relative humidity and air temperature in the graph below.
As relative humidity increases temperature decreases. As temperature increases relative humidity decreases.
400
What does this measure?
Wind Direction
400
What location is most likely experiencing rainy unstable conditions?
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NY
400
What happens to the air pressure as people hike Mt. Everest?
It decreases the higher they climb
600
Why is the ozone important to life on earth?
It absorbs harmful ultaviolet radiation.
600
Wind is caused by air-pressure differences that result from.....
The uneven heating of the Earth's atmosphere
600
What is the relative humidity when the dry bulb temperature is 14 and the wet bulb is 17.
69%
600
What does this measure?
Air Pressure
600
What type of weather commonly occurs along a cold front?
Rainy
600
What layer of the atmosphere contains the ozone?
The stratosphere
800
The greatest atmospheric pressure occurs in the...
Troposphere
800
When warm moist air moves into an area the barometric pressure will....
Decrease
800
If the dry bulb is 8 and the wet bulb is 15 what is the humidity?
17%
800
What tool is used to measure air temperatures recorded on a weather map?
Thermometer
800
An air mass off the gulf of Mexico would be.....?
Warm and wet
800
The drizzle equivalent of snow -- very light snow that isn't strong enough to accumulate.
Flurries
1000
Why do most clouds form in the troposphere and rarely in the stratosphere?
There is very little water vapor in the stratosphere, most of the water vapor is in the troposphere.
1000
What are two weather instruments that are used to measure air in the atmosphere?
Barometer and anemometer
1000
Not much rain occurs in this climate.
What is dessert or Arid?
1000
What tool is used to measure atmospheric pressure?
Barometer
1000
What kind of fronts bring precipitation?
All of them!
1000
What is Ms. Browder's son's name?
Cree