ST Explains - SQ321 incident: What causes turbulence and is climate change making it worse?

Singapore Airlines Flight SQ321 experienced sudden, severe turbulence on May 21 about 10 hours after leaving London. - PHOTOS: REUTERS

SINGAPORE (The Straits Times/ANN): A Singapore Airlines flight had to make an emergency landing in Bangkok on May 21 after encountering sudden, extreme turbulence, which resulted in one death and dozens of passengers injured.

The circumstances surrounding the incident on SQ321 is under investigation, though one expert said it was one of the worst he has seen in his 30 years in the industry.