The lines on a weather map connect equal areas of air pressure

_________is the measure of water vapor (moisture) in the air, regardless of temperature.

Why does land and water absorb and lose heat at different rates?

What gas makes up the largest component of the atmosphere?

What happens to the amount of oxygen molecules as altitude increases?

If we were going outside to measure the wind speed, what weather tool would we need?

Relative Humidity can be measure by

In order for a hurricane to form, the water must be

In what direction do hurricanes rotate in the Northern Hemisphere?

The two most important heat absorbing gases in the lower atmosphere are

Which system results in rainy or stormy weather?

The rapid expansion of heated air causes

As altitude increases, pressure

Earth's surface is divided into three temperate zones based on latitude. Which is not a zone.

Which type of front is associated with purple humps and triangles facing the same direction?

What is the measure of water vapor or dampness called?

Layer of gasses surrounding the Earth, held in place by the Earth's gravity. What is this call?

Which order is correct from the space to earth?

As air cools, it tends to_____ forming an area of ______ pressure.

Clouds are formed by the process of

Large clouds that often produce thunderstorms are called

The hottest layer is the

This type of cloud is thin, wispy, and made of ice crystals

The horizontal movement of air is

This is a group of numbers and symbols to show the forecast.

What winds steer high and low pressure centers?

What DECREASES as you travel up in the atmosphere?

Why does a hurricane slow down when it hits land?

Wind is the horizontal movement of air caused by what?

Which is NOT a characteristic of the Fujita tornado intensity scale?

Water Vapor rises from the Earth's surface during this phase of the water cycle.

The area of the Earth that gets the most direct sunlight is the

What term describes the process by which gases hold heat in the atmosphere (like a blanket)?

Tornadoes are measured using which type of scale?

What is the second most abundant gas in the atmosphere?

Global winds that blow west to east are called

The fall of water, snow, sleet, hail from the sky?

This is an area near the equator that has relatively calm and light wind

How are air masses described?

Working in the direction from the North Pole to the equator, what is the correct sequence for the three cells.

Thunderstorms that have intense, rotating updrafts are called

What is a convection cell?

What type of clouds form in flat layers and cover most of the sky?

Which phenomenon can be seen only in the ionosphere?

A _____is a narrow region that separates two air masses of different densities.

The exchange of heat or moisture between an air mass and the underlying surface is called

Low, dull, "iron gray" clouds that completely cover the sky, and from which a light rain falls, are an example of

The expression "knots" is equivalent to

The altitude of the base of the lowest clouds in a given location is called the

A microburst can be responsible for

Severe weather can accompany any type of front, but the most likely type to produce squall lines is the

Low-pressure systems are usually associated with ______ weather.

A(n)_____forecast involves comparing current weather patterns to patterns that took place in the past.

A weather instrument that measures the height of clouds and estimates the amount of cloud cover is a(n)_____

A balloon-borne package of sensors that gathers upper-level temperature, air pressure, and humidity is.

A record of weather data for a particular site at a particular time is a(n).

A belt of low pressure near the equator where the trade winds of the Northern and Southern Hemispheres converge.

The amount of water vapour which air can hold largely depends on:

In which layer is most of the atmospheric humidity concentrated?

What of the following is the most important constituent in the atmosphere from a weather stand point?

What is the technical term for an increase in temperature with altitude?

The wind, which blows when the gradient and geostrophic forces are in balance, is:

Tiny solid or liquid particles of various compositions that are suspended in the atmosphere are called

The vertical profile of ______ is variable in each layer of Earth's atmosphere.

Jet streams are found within the

A towering cloud, or cluster of clouds, accompanied by thunder, lightning, strong gusty winds, and heavy rain is called a(n)

In the middle latitudes of the Northern Hemisphere, surface winds tend to blow_____and _____ around an area of surface low pressure.

Areas of high atmospheric pressure are also known as

Clouds often form in.