Extreme Wind Causes Streetlights Of England's M62 Motorway To Dance

Extreme Wind Causes The Streetlights Of England’s M62 To Dance

This video is from the M62 motorway show the lampposts swaying so much because of "vortex shedding" that they look like they might snap in half.

February 1, 2015 by Joe Michaels

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If you’re happy streetlight and you know it… sway all over the place and freakout English motorists. Apparently, it was a very windy day in the UK. This video is from the M62 motorway show the lampposts swaying so much from the wind that they look like they might snap in half. Let’s hope no one got hurt.

Vortex Shedding: Why The Streetlights Swayed

Why were the lamps swaying? When the natural frequency of a lamp column matches the speed of the wind, it’s called “vortex shedding.” It’s a very rare event and only happens at certain wind speeds.

Via Bobbles Hill