WHERE IS THE SEA

How Hurricane Irma Sucked the Sea in the Bahamas Dry

SEA BEDS ALONG THE BAHAMAS COAST WERE DRY AS A RESULT OF HURRICANE IRMA. (PHOTO CREDIT: @JANDJSMOM1/TWITTER)

FLORIDA, United States, Tuesday, September 12, 2017 – Videos and photos of water receding as far as the eye could see, from shorelines in the Bahamas up through Florida’s west coast after Hurricane Irma’s passage, have gone viral. And they have triggered fears that a tsunami is on the horizon.

However, there’s actually a scientific explanation for those dry sea beds.

Jamie Rhome, a storm surge specialist with the National Hurricane Centre (NHC) in Miami, explained to NBC News that it was a combination of Irma’s strength and positioning that caused the water to recede so much. It was essentially the opposite of a storm surge, he added.

“Storm surge is where strong winds are pushing the water towards the shore. But you can imagine that same force is pushing water away from the shoreline,” Rhome said. “If the wind is blowing offshore, it blows water away from land.”

So, Category 5 Hurricane Irma left shorelines so bare because as its robust low-pressure center approached places like the Bahamas on Friday and Saturday, and Tampa and the rest of the Gulf Coast on Sunday, its record-smashing strong winds were blowing from northeast to southwest — just the right direction to push the water out.

While it looks similar to what happens when an earthquake causes water to recede before a tsunami, it’s not the same thing. Twitter video is loading

“A tsunami is not caused by the wind. That is purely dynamics,” explained Shuyi Chen, a University of Washington professor of atmospheric sciences. “The hurricane-related water retreat is mostly caused by the winds.”

Chen said this has happened before, most notably in Long Island, New York during Superstorm Sandy.

Despite concerns, experts said the water would return slowly. And it already has.

https://twitter.com/Jandjsmom1/status/906859539160600576/photo/1?ref_src=twsrc%5Etfw&ref_url=http%3A%2F%2Fwww.caribbean360.com%2Fnews%2Fbahamas_news%2Fhow-hurricane-irma-sucked-the-sea-in-the-bahamas-dry

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