they can seed clouds and they can mess about with local weather - but the things people post online are commercial airliners at 37,000ft in the beginnings of a warm front when moisture level in the atmosphere rises and the condensation from the engine exhaust is visible....
the whole sky then clouds over as the warm front moves in - which usually brings rain.
it's like thinking that aliens put shit in your toothpaste because you can see your breath on a cold day....
they can seed clouds and they can mess about with local weather - but the things people post online are commercial airliners at 37,000ft in the beginnings of a warm front when moisture level in the atmosphere rises and the condensation from the engine exhaust is visible....
the whole sky then clouds over as the warm front moves in - which usually brings rain.
it's like thinking that aliens put shit in your toothpaste because you can see your breath on a cold day....