Sentences with phrase «hurricane activity vary»

Why does hurricane activity vary from decade to decade?

But hurricane activity varies so much from decade to decade that «not a single person in my field thinks you can see the signal.»

Not exact matches

NOAA has issued its annual forecast for the hurricane season, along with its now - standard explanation that there is a natural cycle of multidecadal (40 - 60 year) length in the North Atlantic circulation (often referred to as the «Atlantic Multidecadal Oscillation» — see Figure), that is varying the frequency of Atlantic tropical cyclones, and that the present high level of activity is due to a concurrent positive peak in this oscillation.