The reason that storms fire up at night rather than day time has to do with the way hurricanes utilize heat. It gathers heat energy all day and then at night it releases the energy causing the convection to flare up. Heat rises and cold air falls and it is the interaction between the hot and cold air that causes the hurricane to tighten up and to spin. We are talking about the upper levels of the atmosphere where a 90 degree heat coming off water mixes or opposes with temperatures in the atmosphere well below freezing.
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Re: record breaker