Atmosphere & Weather

Front

What is the atmosphere?

Back

The atmosphere is a layer of gases surrounding the Earth, essential for life, providing oxygen, and protecting from harmful solar radiation.

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What is air pressure?

Back

Air pressure is the force exerted by the weight of air above a surface. It can change with weather conditions.

Front

What happens to air pressure before a storm?

Back

Air pressure typically drops before a storm, indicating that wet and stormy weather may be approaching.

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What is the exosphere?

Back

The exosphere is the outermost layer of the Earth's atmosphere, where the atmosphere transitions into outer space.

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What is a stationary front?

Back

A stationary front occurs when a warm air mass and a cold air mass meet but neither moves, often leading to prolonged cloudy and rainy weather.

Front

What type of front is associated with Seattle's weather?

Back

Seattle is often influenced by cold fronts, which bring cooler temperatures and precipitation.

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What is the troposphere?

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The troposphere is the lowest layer of the atmosphere, where weather occurs and air pressure is highest.

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What is a warm front?

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A warm front occurs when a warm air mass moves over a cold air mass, leading to gradual temperature increases and often light rain.

Front

What is a cold front?

Back

A cold front occurs when a cold air mass pushes into a warm air mass, often resulting in thunderstorms and a drop in temperature.

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What is an occluded front?

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An occluded front occurs when a cold front overtakes a warm front, leading to complex weather patterns and precipitation.