The damage estimates ranging up to $300-$475 billion. Although rare, there have been six hurricanes recorded outside the official season since records began back in 1851. Harvey's damage amounted to $198.6 billion.
Irma skirted the Caribbean producing significant wind damage and flooding for numerous islands in its path.
There were other strong systems, including Hurricane Jose, which initially threatened St. Thomas but spun farther north into open waters.
Harvey made landfall in South Texas on August 25, leading to days of downpours that dumped an unprecedented 152 centimeters (60 inches) of rain. Hurricane Maria is likely to cause between $45 billion and $95 billion worth of damage in Puerto Rico, Moody's reported.
Dr. Jesse Spearo, with Cape Coral Emergency Management, said they were pleased with the season's predictions, and forecast modeling has vastly improved from years past, but there is always room for improvement.
"The 2017 hurricane season was extremely active". The final numbers exceeded most of those forecasts.
But while 2017 was a busy Atlantic hurricane season, it was not a record year. In this post, we'll focus on some of the statistics and records that this season set. But conditions changed, and we shifted from an El Niño to a weak La Niña, developing a season that brought favorable conditions for hurricane development. Ten of those storms became hurricanes, with six classified as major hurricanes.
In an average season, there are 12 named storms, six hurricane and two major hurricanes.
"I want to thank HUD and the Trump Administration for supporting those whose lives were devastated by Hurricane Irma". Overall we had 17 named storms, 6 tropical storms and 11 hurricanes, 6 of which were major hurricanes: Harvey, Irma, Jose, Lee, Maria, Ophelia. The 1981-2010 median Atlantic ACE was 92. It was the 10th most intense Atlantic storm by barometric pressure.