David Vallee
![David Vallee](/assets/img/authors/unknown.jpg)
David Vallee
arctic ball canada caused driving energy hurricane moving steadily storm tropical weather
Arctic energy from Canada was driving steadily southward, while this ball of tropical energy from the hurricane was moving northward. When they met, it caused this storm to explode, in weather terms.
magnitude rare system
It's rare to have a system of that magnitude back up.
biggest hard quantify theories theory
We only have theories about the biggest waves, because it's hard to get observations to quantify the theory.