From Chile to Japan, these flight routes suffer the world’s worst turbulence
- Flights leaving Tokyo dominate the list of the roughest long-haul services as Japan has high levels of mountain- and ocean-induced turbulence
- The world’s most unstable air routes have attracted attention after Singapore Airlines flight SQ321 was struck by turbulence before an emergency landing in Bangkok
A British man was killed and seven other people were critically injured after Singapore Air flight SQ321 encountered severe turbulence as it entered Thai airspace on Tuesday, triggering an emergency landing in Bangkok.
While the most turbulent flights of all connect Santiago in Chile to Santa Cruz in Bolivia, there are similarly bumpy rides across the world, according to the turbli database. Flights leaving Tokyo dominate the list of the roughest long-haul services.
Strong turbulence is produced when air streams travelling at significantly different speeds come together. This is typically encountered at the boundaries of jet streams, over mountains and in certain cloud storms, according to the turbli website.
For instance, turbulence on the Santiago-Santa Cruz route is generated by winds from the Pacific Ocean to the Atlantic Ocean flowing almost perpendicular to the Andes.
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One dead and dozens injured after Singapore Airlines flight hit by severe turbulence
The equator is also a well-known region for turbulence because of strong upward currents and thunderstorm activity, turbli said. Japan has high levels of mountain- and ocean-induced turbulence.
