Tropical Storm Irma has unleashed some of Jacksonville’s worst floods in 100 years, inundated parts of coastal Georgia and produced heavy storm surges in Charleston, S.C.

Here's the latest:

  • Irma has been downgraded to a tropical storm, but dangers linger for communities in its path
  • The storm took a parting swipe at north Florida this morning before it started battering Georgia and South Carolina
  • More than 155,000 people in Florida are still in shelters; more than 6 million Floridians lack power
  • Irma has devastated several Caribbean islands
  • What happens when the sea rises up during a hurricane?

    A look at the Caribbean islands hit by Hurricane Irma

    As the strongest hurricane on record headed toward South Florida, it first had to get past several small Caribbean nations.

    The Franco-Dutch island of St. Martin suffered significant damaged when Irma slammed into it Wednesday. Up to 70% of the houses on the Dutch side of St. Martin were badly damaged or destroyed, Dutch officials reported Saturday. The French government said that 95% of the French half of St. Martin had been destroyed.

    Irma inflicted similar damage on the island of Barbuda. Prime Minister Gaston Browne initially estimated that 95% of the properties on the island had been damaged or destroyed — then later said the losses were probably even worse. About 1,600 Barbuda residents were evacuated to Antigua.

    Here is a briefing on some of the island nations hit by Irma.

    Latest updates

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