What does a cP air mass represent?

A cP air mass stands for "Continental Polar." This type of air mass originates over land in polar regions, leading to its classification as 'continental' and 'polar.' Due to its source characteristics, a cP air mass is generally cold and dry.

The continental aspect indicates that it forms over land rather than over water, which results in lower humidity levels. Meanwhile, the polar classification signifies that it comes from a cold area, contributing to its characteristic cool temperatures.

In meteorology, understanding the nature of different air masses is essential for predicting weather patterns. A cP air mass, given its cold and dry nature, often brings cooler weather, particularly in the winter months, and can influence the local weather when it moves into warmer regions. Recognizing these properties helps meteorologists anticipate changes in temperature and precipitation.