A helpful glossary of terms associated with weather and climate.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Point data

Collective term for any measurement of weather recorded at a single point (rather than across an area).


A range of techniques applied to data to make it suitable for a specific purpose e.g. averaging values, filtering, quality control.

Probabilistic forecast

A forecast which represents the estimated uncertainty of the prediction. This uncertainty can be estimated statistically through assessing past performance, or using an ensemble forecast.