The 2017 Atlantic hurricane season is expected to be above average in the Atlantic Ocean.
Anywhere from 11-17 tropical storms are expected this season, which are tropical cyclones with winds of at least 39 mph. The average number of tropical storms each season is 12, and we've already seen one preseason tropical storm that developed in April, which is rare.
Anywhere from 5-9 hurricanes are expected this season, which are tropical cyclones with winds of at least 74 mph. The average number of hurricanes each season is six.
Anywhere from 2-4 major hurricanes are expected this season, which are category 3 hurricanes or stronger with winds of at least 111 mph. The average number of major hurricanes search season is three.
Why above average?
A weak, or no El Nino and little wind shear is forecast during the summer, which typically allow tropical cyclones in the Atlantic Ocean to become better organized. Wind shear would otherwise rip the cyclones apart, making it difficult for them to develop or strengthen.
Above average water temperatures are also forecast during the summer months, which provide fuel for tropical systems.
Hurricane season officials beings on June 1 and ends on November 30.
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