Το φαινομενο της πεταλουδας Νο 2...

... ή αλλιως Γιαννης κερναει, Γιαννης πινει.

Mount Pinatubo discharged some 18 million metric tons of sulfur dioxide into the stratosphere, forming a toxic cloud that circled the Earth within three weeks, covering almost 42 percent of the planet's surface within two months and creating unusual climate occurrences in many parts of the globe for the next several years. One thing it didn't do was cause hailstorms in northern New Zealand in 1992.