Clime
← Back to Blog
Guides

Understanding Clear-Air Turbulence on Connecting Flights

June 22, 2026 · The Clime Team
Understanding Clear-Air Turbulence on Connecting Flights

Clear-air turbulence (CAT) is a type of turbulence that occurs in cloudless skies, typically at altitudes between 23,000 and 39,000 feet. Unlike turbulence associated with thunderstorms or weather fronts, CAT is invisible and cannot be detected by conventional weather radar. This makes it particularly challenging for pilots and passengers, as it can occur without warning. (cbsnews.com)

What Causes Clear-Air Turbulence?

CAT is primarily caused by wind shear, which is the sudden change in wind speed or direction over a short distance. This phenomenon often occurs near jet streams—narrow, fast-moving air currents found at high altitudes. When bodies of air moving at widely different speeds meet, the resulting wind shear can create turbulent eddies and vortices, leading to unexpected bumps during flight. (britannica.com)

How Does CAT Affect Connecting Flights?

For passengers on connecting flights, encountering CAT can be particularly unsettling. Since CAT is unpredictable and invisible, it can cause sudden and unexpected turbulence during the flight. This can lead to discomfort and, in rare cases, injuries if passengers are not properly secured. It's important to note that while CAT can be severe, modern aircraft are designed to withstand such conditions, and serious incidents are extremely rare. (cbsnews.com)

How to Prepare for CAT During Connecting Flights

  1. Stay Informed: Before your flight, check the weather forecast for your route. While CAT is difficult to predict, being aware of potential weather patterns can help you anticipate possible turbulence.

  2. Keep Your Seatbelt Fastened: Always keep your seatbelt fastened when seated, even if the seatbelt sign is off. This simple precaution can prevent injuries during unexpected turbulence.

  3. Secure Loose Items: Ensure that all personal items are properly stowed. Unsecured objects can become hazardous during sudden movements.

  4. Follow Crew Instructions: Pay attention to announcements from the flight crew regarding turbulence. They are trained to handle such situations and will provide guidance to ensure passenger safety.

Can Technology Help Predict CAT?

Advancements in technology are improving the detection and prediction of CAT. Some modern aircraft are equipped with systems that can detect turbulence ahead, allowing pilots to adjust flight paths accordingly. Additionally, research into atmospheric conditions and improved forecasting models are contributing to better understanding and prediction of CAT. (turbulence-forecast.com)

Conclusion

While clear-air turbulence presents challenges for both passengers and crew, understanding its causes and taking appropriate precautions can significantly enhance your safety and comfort during connecting flights. Staying informed and prepared is key to navigating these invisible bumps in the sky.

For real-time updates and personalized information on flight conditions, consider using Planes Live. This service provides live flight tracking and alerts, helping you stay informed about your journey and any potential turbulence along the way.

Frequently Asked Questions