"Jet vapour trails disperse within minutes" do they? :) I think...

"Jet vapour trails disperse within minutes"

do they?

I think not.

Get to some cooler latitudes - they do NOT dissipate in minutes - depends on conditions.

Of course - they could be trying to chemically induces us here in Tasmania and over the ocean to??????????

well, become believers or something - but, boy oh boy - the use a hell of a lot of chemical to spray over a few yachts on the water