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Glossary of Weather Terms


Do you know the difference between a hurricane and a typhoon? Find definitions for weather terms from absolute humidity to zonal flow and everything in between in the WeatherBug weather glossary.

Dew Point
The temperature to which the air must be cooled to condense. For example, if the air temperature was 65 degrees Fahrenheit/18 degrees Celsius and the dew point was 65 degrees Fahrenheit/18 degrees Celsius the humidity would be 100% and the air would be totally saturated. The larger the spread of temperature and dew point, the drier the air. This spread is called the dew point depression.

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