* not completed

. Which type of force drives the wind?

Coriolis correct incorrect

Centripetal correct incorrect

Friction correct incorrect

Pressure gradient correct incorrect

* not completed

. Which of the following statements about the Coriolis force is false?

It increases with wind speed. correct incorrect

It affects wind direction but not wind speed. correct incorrect

It decreases with latitude. correct incorrect

It causes deflection to the right of the path of motion in the northern hemisphere. correct incorrect

* not completed

. What is molecular viscosity?

The small-scale resistance to flow due to the random motions of molecules in laminar flow correct incorrect

Flow in which layers of the fluid flow over each other with no disruption between the layers correct incorrect

The product of mass and velocity correct incorrect

The large-scale resistance to flow due to the irregular motions associated with turbulence correct incorrect

* not completed

. Which of the following does NOT cause the depth of the planetary boundary layer to increase?

Wind speed correct incorrect

Instability correct incorrect

Surface roughness correct incorrect

Wind shear correct incorrect

* not completed

. Geostrophic winds develop when which two forces are balanced?

Coriolis and centripetal correct incorrect

Pressure gradient and centripetal correct incorrect

Centripetal and friction correct incorrect

Pressure gradient and Coriolis correct incorrect

* not completed

. For both cyclones and anticyclones, the difference between the pressure gradient force and the Coriolis force is known as what?

Laminar flow correct incorrect

Friction correct incorrect

Centripetal force correct incorrect

Viscosity correct incorrect

* not completed

. In the northern hemisphere, in what direction does air circulate in low pressure areas?

Counterclockwise and inward correct incorrect

Counterclockwise and outward correct incorrect

Clockwise and inward correct incorrect

Clockwise and outward correct incorrect

* not completed

. What is thermal wind?

Warm, cyclonic winds correct incorrect

A measure of the wind shear correct incorrect

The change in geostrophic wind with pressure that occurs due to the vertical variation of temperature correct incorrect

A wind that develops when the pressure gradient force and the Coriolis force are unbalanced correct incorrect

* not completed

. Which statement about geostrophic and thermal winds is true?

Geostrophic winds blow parallel to the thickness gradient. correct incorrect

Thermal winds are proportional to the thickness gradient. correct incorrect

Thermal winds blow parallel to the height gradient. correct incorrect

Geostrophic winds are proportional to the thickness gradient. correct incorrect

* not completed

. Which tool is used to measure wind speed and direction?

Hygrometer correct incorrect

Thermometer correct incorrect

Psychrometer correct incorrect

Anemometer correct incorrect

* not completed

. The direction of the pressure gradient force is from high pressure to low pressure.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. As long as the upper-level divergence is greater than the surface converge, a high pressure area will intensify.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. Low pressure areas are associated with sinking air and clear skies.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. An increase in the horizontal temperature gradient will lead to a decrease in the geostrophic wind with height.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. When winds are veering, cold advection is occurring, and when winds are backing, warm advection is occurring.

TRUE correct incorrect

FALSE correct incorrect