As global temperatures rise, the aviation industry faces an intensifying challenge from turbulence, particularly clear-air turbulence—an invisible hazard that strikes suddenly out of a clear blue sky. According to the International Air Transport Association (IATA), turbulence remains the leading cause of injuries to passengers and crew in non-fatal aviation accidents.
The severity of these incidents was highlighted on 21 May 2024, when Singapore Airlines flight SQ321 encountered severe convective turbulence near Myanmar. While passing above a towering cumulonimbus cloud during a flight from London to Singapore, the Boeing 777 was struck by turbulence that lasted just over 21 seconds. Unrestrained passengers and crew members were thrown upward with extreme force, resulting in one fatality and 79 serious injuries.
Aviation experts note that climate change is supercharging the energy behind storms and altering atmospheric conditions, driving an increase in both the frequency and severity of turbulence episodes worldwide. While some forms—such as mountain-induced turbulence and jet stream variations—can be modeled or anticipated, clear-air turbulence near thunderstorms remains difficult to predict.
In response, airlines and industry organizations are adapting. IATA operates a global turbulence data-sharing platform utilizing onboard aircraft sensors and AI modeling to provide near-time predictions. Meanwhile, carriers like Singapore Airlines have tightened in-flight safety protocols, keeping seatbelt signs illuminated longer and halting cabin service when risks are identified. Aviation experts emphasize that while modern commercial airliners are structurally engineered to withstand extreme stress, the primary vulnerability during severe turbulence remains unbuckled humans inside the cabin.