Ace the ATPL Canadian Adventure: Meteorology, Radio Aids, & Flight Planning (SAMRA) 2026 Practice Test – Soar to Success!

In meteorology, a col refers to a geographical area that is generally found between two high-pressure systems and two low-pressure systems. This region typically represents a transitional zone where the pressure gradients are very weak, leading to relatively calm weather conditions compared to the surrounding areas influenced by more dynamic features such as low or high pressures.

This characteristic of a col is crucial for understanding local weather patterns, as it may experience light winds and stable atmospheric conditions, making it distinct from the much more active and variable weather that occurs in areas dominated by low or high-pressure systems. Recognizing this can help with accurate weather forecasting and flight planning, where understanding pressure systems is essential for predicting changes in weather conditions.