The weather system that forms the winter cold wave in China is () A. Cyclone B. Anti-cyclone C. Cold front D. Warm.

This topic studies common weather systems and weather.

Cold Front, Warm Front and Weather

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cold front

warm front

Quasi-static front and weather

chart

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sign

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concept

The cold air mass actively moves to the warm air mass.

The warm air mass actively moves to the cold air mass.

Quasi-static front refers to a front with a small moving range.

Weather characteristics

Before crossing the border

Single air mass control, sunny day

Single air mass control, low temperature and sunny days

The cold and warm air masses are evenly matched, or blocked by the terrain, the front moves slowly, or swings in an area for a long time, resulting in rainy weather.

transit time

Cloudy day, rain and snow, strong wind, cooling down

Continuous precipitation

After crossing the border

The air pressure rises, the temperature drops and the weather is fine.

The temperature rises, the air pressure drops and the weather improves.

Precipitation distribution

Precipitation usually occurs behind the front.

Precipitation usually occurs in front of the front.

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