Turbulence is more commonly associated with cold fronts but can be present, to a lesser degree, in a warm front as well. 4. Wind Shear. Wind shear is the change in wind direction and/or wind speed over a specific horizontal or vertical distance.

Actually, warm air is more likely to cause "convective turbulence" than cold air. On hot days, the sun heats the ground unevenly, causing pockets of warm air to rise rapidly (updrafts) while cooler air sinks (downdrafts). This vertical movement of air creates the "bumps" pilots and passengers feel, especially at lower altitudes. In contrast, cold air is denser and tends to be more stable. However, cold weather can lead to different types of turbulence. For example, when a cold front moves in and hits a warm air mass, it can cause violent weather and wind shear. Additionally, "Clear Air Turbulence" (CAT) often occurs near the jet stream, where cold and warm air masses meet at high altitudes. So, while cold air itself is often smoother to fly through, the interaction between cold and warm air masses is a major source of the most significant turbulence.