Station models, pressure, & dewpoint

What is the temperature for the following station model?

• 4 ºF

• 76 ºF

• 80 ºF

• 129 ºF

What is the dewpoint for the following station model?

• 10 ºF

• 23 ºF

• 65 ºF

• 75 ºF

What is the wind direction for the following station model?

• north

• east

• northwest

• northeast

What is the wind speed for the following station model?

• 10 knots

• 15 knots

• 20 knots

• 25 knots

___________is the result of the weight of a column of air pushing on an area.

• air pressure
• density
• volume
• none of the above

________is the instrument used to measure air pressure.

• barometer
• thermometer
• mercury
• watch

Convection takes place because

• warm air is more dense than humid air
• warm and cold air have the same density
• cold air is less dense than warm air
• cold air is more dense than warm air

Winds are caused by differences in

• precipitation
• humidity
• air pressure
• turbulence

At the seashore late in the afternoon on a hot, sunny day, a person often feels a strong breeze coming in from the ocean.  Which of the following is the reason for the breeze?

• pounding waves generate air currents
• warm air over the ocean rushes in to replace the cool air that rises over land
• there are no clouds to block wind coming in
• heavy cool air over the ocean rushes in to replace warm air that rises over the land

Low pressure will usually bring what kind of weather?

• Sunny
• Calm
• Stormy