To display the current weather conditions at a specific location.

To forecast the weather for a specific location.

To analyze and compare weather patterns over a large area.

To track the movement of weather systems.

Surface weather map

Upper-air weather map

Satellite image

Radar image

Surface weather maps display current weather conditions, while upper-air weather maps display forecast weather conditions.

Surface weather maps display weather conditions at sea level, while upper-air weather maps display weather conditions at higher altitudes.

Surface weather maps display weather conditions over a small area, while upper-air weather maps display weather conditions over a large area.

Surface weather maps display weather conditions in real-time, while upper-air weather maps display weather conditions from historical data.

A boundary between two air masses with different temperatures and densities.

A line of thunderstorms.

A region of high pressure.

A region of low pressure.

Cold front, warm front, stationary front, and occluded front.

Cold front, warm front, stationary front, and polar front.

Cold front, warm front, stationary front, and tropical front.

Cold front, warm front, stationary front, and arctic front.

A cold front moves faster than a warm front.

A cold front is associated with colder air, while a warm front is associated with warmer air.

A cold front brings precipitation, while a warm front does not.

A cold front is associated with high pressure, while a warm front is associated with low pressure.

A boundary between two air masses that are not moving.

A boundary between two air masses that are moving in opposite directions.

A boundary between two air masses that are moving in the same direction.

A boundary between two air masses that are moving at different speeds.

A boundary between two air masses that are moving in opposite directions.

A boundary between two air masses that are moving in the same direction.

A boundary between two air masses that are moving at different speeds.

A boundary between a cold front and a warm front.

A region of the atmosphere where the air is sinking.

A region of the atmosphere where the air is rising.

A region of the atmosphere where the air is moving horizontally.

A region of the atmosphere where the air is stationary.

A region of the atmosphere where the air is sinking.

A region of the atmosphere where the air is rising.

A region of the atmosphere where the air is moving horizontally.

A region of the atmosphere where the air is stationary.

A narrow band of high-speed winds in the upper atmosphere.

A narrow band of low-speed winds in the upper atmosphere.

A narrow band of high-speed winds in the lower atmosphere.

A narrow band of low-speed winds in the lower atmosphere.

The deflection of moving objects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

The deflection of moving objects to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.

The deflection of moving objects upward in the Northern Hemisphere and downward in the Southern Hemisphere.

The deflection of moving objects downward in the Northern Hemisphere and upward in the Southern Hemisphere.

The wind that blows parallel to the isobars.

The wind that blows perpendicular to the isobars.

The wind that blows in the direction of the pressure gradient.

The wind that blows against the pressure gradient.

The wind that blows from a warmer region to a colder region.

The wind that blows from a colder region to a warmer region.

The wind that blows parallel to the isobars.

The wind that blows perpendicular to the isobars.

The spiral motion of the wind in the boundary layer.

The spiral motion of the wind in the upper atmosphere.

The spiral motion of the wind in the middle atmosphere.

The spiral motion of the wind in the lower atmosphere.