Two hundred seventy-seven people were terrified when a recent IndiGo aircraft from Delhi to Srinagar was hit by severe hail and turbulence in midair. The pilot’s expert emergency landing allowed the plane to land safely in Srinagar, but the horrifying images from the cabin have raised questions about whether turbulence is worsening. Unfortunately, the answer is yes, and climate change is increasing dangerous mid-flight turbulence.

What Is Clear-Air Turbulence?

Clear-air turbulence (CAT), a specific kind of turbulence, is causing the aviation industry to become increasingly concerned. Since CAT happens in clear skies rather than the turbulence that characterizes thunderstorms, it is not detectable by radar and is nearly impossible to forecast in real time.

Wind shear—or abrupt changes in wind direction and speed, especially close to jet streams—causes CAT. These swift air currents are found high in the atmosphere and play a significant role in determining flight conditions.

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The Climate Connection

Climate change is drastically altering the Earth’s atmospheric dynamics and structure. At cruising altitudes, the temperature differential between the equator and the poles widens as global temperatures rise. This leads to stronger jet streams and increased wind shear, resulting in more volatile conditions and a higher frequency and severity of clear-air turbulence. As these atmospheric changes escalate, climate change is increasing dangerous mid-flight turbulence.

According to a 2023 University of Reading study, severe clear-air turbulence across the North Atlantic rose 55% from 1979 to 2020. In other high-traffic areas—such as North Africa, East Asia, and the Middle East—moderate-to-severe CAT has increased by 60% to 155% during the past forty years.

Globally, planes encounter mild to severe turbulence about 68,000 times a year. Over the next 50 years, wind shear at flying altitudes is expected to rise by another 17% to 29%, suggesting that rough skies may become the new normal. These statistics highlight how climate change is increasing dangerous mid-flight turbulence, even in traditionally calm regions.

Real-World Impacts

Turbulence is uncomfortable for most people, but the risk of injury is growing. Sudden jolts are injuring more passengers, particularly those not wearing seat belts. Due to their mobility during duty, flight attendants are even more at risk.

Turbulence also drives up airline operating costs. Affected flights often require sudden course corrections and altitude changes, which increase fuel consumption. Aircraft interiors and equipment may sustain damage, leading to higher maintenance costs, delays, and insurance claims. These cascading effects emphasize that climate change is increasing dangerous mid-flight turbulence, with real-world consequences beyond passenger discomfort.

The IndiGo incident offers a stark reminder. While the number of hailstorms may not be increasing, storms capable of producing larger and more destructive hail are becoming more frequent. Just last year, an Austrian Airlines aircraft suffered severe hail damage while in flight.

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Global Hotspots for Turbulence

Flights over regions with intense jet streams—such as East Asia, the Southern Hemisphere, and transatlantic routes—are the most affected. Seasonal variations also influence turbulence risks, with clear-air turbulence more likely during winter and when polar jet streams shift.

Industry Reaction

Airlines and aviation authorities are not ignoring the trend. Technological advancements include AI-driven prediction models that analyze atmospheric data from satellites and sensors and real-time turbulence detection systems. Pilots receive enhanced training to use these tools and adjust flight paths as needed.

Safety protocols are also evolving. There is increased emphasis on in-flight briefings, encouraging passengers to remain buckled, even when the seatbelt sign is off. New aircraft are being designed to withstand turbulence-related stress better, though engineering has limits.

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What Passengers Can Do

While pilots and airlines bear the bulk of safety responsibility, passengers can reduce their personal risk by following basic precautions. The simplest and most effective step is always wearing a seatbelt, even during seemingly smooth cruising. Avoiding unnecessary movement and securely stowing belongings during flight are also essential.

Being attentive to pilot announcements and understanding turbulence-prone regions based on the flight path can help passengers stay informed and prepared.

In Conclusion

The IndiGo incident was not an isolated event but part of a growing pattern. Climate change’s impact on aviation is intensifying. Clear-air turbulence is no longer just a pilot’s concern; it is becoming a critical threat to flight safety.

As one observer aptly put it, the climate crisis is now a clear and present danger at 35,000 feet. Climate change is increasing dangerous mid-flight turbulence, and addressing it will require action from scientists, airlines, policymakers, and all of us.

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