These three videos of strange sounds from the sky were captured in January 2016 around the world.

The strange sky trumpets were recorded in Singapore, Budapest and California. What’s going on?

Strange sounds heard in Singapore at night on January 13, 2016

Strange sound from the sky on January 9, 2016, in Budapest, Hungary

Strange noises from the sky in Bakersville, California on January 8, 2016

These sounds are all different. And this makes me think they are legit. But of course you decide. And why are they increasing these days along with loud booms?