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Why are there so many hurricanes this season?

9/22/2017

 
PictureHurricane Irma
Why? Why are there so many hurricanes this season? Im Taylor, a 6th grade student in journalism, I’m here today wondering why there has been hurricane after
hurricane, and more coming. I decided to do some research. According to CBS
news Washington, Hurricane Irma, the most powerful storm ever recorded in the
Atlantic Ocean, took deadly aim at the Caribbean, with Hurricane Jose to the east of it (although meteorologists say Jose is not likely to hit land). Also, Hurricane Katia
formed in the Gulf of Mexico on Wednesday. These storms come on the heels of
Hurricane Harvey, a powerful storm in the Gulf of Mexico that killed at least 63
people
and caused catastrophic flooding and damage in southeast Texas and Louisiana. Many say that Hurricane Irma was a Category 6 Storm, but this isn't true! There is no such thing.

While it may seem like there are a lot of storms right now, the peak of peak
hurricane season is still to come.

What is causing these large hurricanes?

Julian Heming, the Met Office's tropical prediction scientist, told The Telegraph about the reasons Irma is such a large hurricane.
Here is what he said. "Irma is a powerful hurricane because all the characteristics required to produce an intense hurricane in the Atlantic are coinciding:
  • Sea surface temperatures under Irma are 1 to 1.5°C higher than the average for this time of year providing abundant
    moisture and warmth.
  • The wind shear (change in wind with height) is low, meaning air can flow in up and out of the hurricane very efficiently, thus promoting intensification.
  • There are no drying influences at present, such as pockets of Saharan dust which sometimes drift out over the Atlantic.
  • Irma is moving fast enough to prevent cool water up-welled under the hurricane from having any impact on the continued
    feed of warm, moist air into the hurricane.
  • Up until now there has been no interaction with large land masses that might disrupt intensification due to cutting off the
    moisture supply
    ."
According to Wayne Drash from CNN 10, global warming is making hurricanes bigger and stronger, which makes sense to me!
I hoped you liked my story, thank you for reading and have a good day!

Picture
Story by Kylie Taylor

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