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What is Weather?

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which is why it can be difficult to forecast.

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Glossary

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...