Weather Review

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What is cloud cover?

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Cloud cover refers to the fraction of the sky covered by clouds, expressed in oktas (eighths). For example, 6/10 cloud cover means that 60% of the sky is covered by clouds.

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What does an overcast sky indicate?

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An overcast sky indicates that the sky is completely covered by clouds, blocking sunlight. This often leads to dull and gray weather.

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What is the Coriolis effect?

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The Coriolis effect is the apparent curving of the path of a moving object due to Earth's rotation, affecting wind and ocean currents.

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What is a stationary front?

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A stationary front is a weather front that occurs when two air masses meet but neither is strong enough to replace the other, leading to prolonged periods of cloudy and rainy weather.

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What is wind speed?

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Wind speed is a measure of how fast the air is moving, typically measured in knots or miles per hour.

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What is a cold front?

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A cold front is the leading edge of a cooler mass of air, which replaces a warmer mass of air, often resulting in thunderstorms and a drop in temperature.

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What is a warm front?

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A warm front is the leading edge of a warmer mass of air that replaces a cooler mass of air, usually bringing gradual increases in temperature and prolonged precipitation.

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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, lifting the warm air off the ground and often leading to complex weather patterns.

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What are global winds?

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Global winds are large-scale wind patterns that occur due to the uneven heating of the Earth's surface, influencing weather and climate across the globe.

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What is a jet stream?

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A jet stream is a fast-flowing ribbon of air high in the atmosphere that influences weather patterns and can affect the movement of storms.