* not completed

. Which direction do the trade winds blow in the northern hemisphere?

Easterly correct incorrect

Northeasterly correct incorrect

Southeasterly correct incorrect

Northerly correct incorrect

* not completed

. Which of the following statements about a Hadley cell is true?

Warm air sinks in the subtropics. correct incorrect

It is a thermally direct cell. correct incorrect

Colder air rises near the equator. correct incorrect

It occurs in the mid-latitudes. correct incorrect

* not completed

. The horse latitudes are associated with which feature?

Subtropical highs correct incorrect

Subpolar lows correct incorrect

Intertropical Convergence Zone correct incorrect

Polar highs correct incorrect

* not completed

. Which of the following are both thermal in origin?

Equatorial low and subtropical highs correct incorrect

Subpolar lows and polar highs correct incorrect

Subtropical highs and subpolar lows correct incorrect

Equatorial low and polar highs correct incorrect

* not completed

. In the northern hemisphere, the jet stream will commonly take on what type of flow?

Zonal correct incorrect

Polar correct incorrect

Meridional correct incorrect

Subtropical correct incorrect

* not completed

. Which of the following is an error in Ferrel's model?

It predicts upper-air easterly winds in the mid-latitudes. correct incorrect

It does not account for the existence of subtropical highs and subpolar lows. correct incorrect

It predicts westerlies in polar latitudes. correct incorrect

It predicts sinking air at the equator. correct incorrect

* not completed

. What does the dishpan model show us about a faster-spinning planet?

That the Hadley cell would be larger because its flow would start to break down closer to the poles correct incorrect

That the Hadley cell would be smaller because its flow would start to break down closer to the poles correct incorrect

That the Hadley cell would be larger because its flow would start to break down closer to the equator correct incorrect

That the Hadley cell would be smaller because its flow would start to break down closer to the equator correct incorrect

* not completed

. What will happen to an air parcel as it moves toward the North Pole?

It will rise into the stratosphere. correct incorrect

It will always decrease in size. correct incorrect

It will develop negative relative vorticity. correct incorrect

Its planetary vorticity will increase. correct incorrect

* not completed

. Horizontal convergence and divergence in the atmosphere must be accompanied by vertical motions because of what?

Baroclinic instability correct incorrect

The conservation of mass correct incorrect

The conservation of angular momentum correct incorrect

Wind shear correct incorrect

* not completed

. Which of the following statements about Rossby waves is true?

Stronger temperature gradients lead to waves of greater amplitudes. correct incorrect

Barotropic instability enhances the amplitudes of the waves. correct incorrect

The waves tend to form over tropical areas. correct incorrect

When the waves form patterns characteristic of zonal flow, unseasonal temperatures occur. correct incorrect

* not completed

. The Siberian high is a much stronger high than the Canadian high.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. The upper-air pressure gradient is greater in the hemisphere experiencing summer than it is in the hemisphere experiencing winter.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. In the three-cell model, Ferrel cells are located poleward of Hadley cells.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. If planetary vorticity increases over time, relative vorticity must decrease.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. A large decrease in temperature with latitude creates barotropic instability.

TRUE correct incorrect

FALSE correct incorrect