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WorldHurricane Dorian: Storm strengthens to category 4

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Hurricane Dorian: Storm strengthens to category 4

A powerful storm threatening the Bahamas and south-eastern coast of the US has grown to category four, the US National Hurricane Center (NHC) says.

Hurricane Dorian has maximum sustained winds of nearly 145mph (225km/h).

It is expected to grow even stronger, its center potentially crossing the Bahamas before skirting Florida’s east coast early next week.

Reports from the Bahamas described tourists scrambling to leave before the closure of the international airport.

States of emergency have been declared in Florida, Georgia, North and South Carolina. Residents have been urged to stock enough food, water and medicine to last at least a week.

Read:Hurricane Florence: At least four dead as storm downgraded

Forecasters warn Dorian could be the region’s worst storm since category five Hurricane Andrew killed 65 people and destroyed 63,000 homes in 1992.

US President Donald Trump said he was monitoring Dorian, which he described as “an extremely dangerous storm” on Twitter.

Hurricanes, whose strength can range from category 1 to 5 on the Saffir-Simpson scale, tend to get stronger as they move over warm waters like those off Florida.

By the middle of next week, forecasters expect Dorian to shift eastwards, putting the coasts of Georgia and South Carolina at risk.

What’s the forecast? The NHC said “life-threatening storm surge, devastating hurricane-force winds, and heavy rains capable of life-threatening flash floods” are expected to hit the Abaco Islands and Grand Bahama on Sunday.

Jeffrey Simmons, the deputy director of Bahamas’ Department of Meteorology, said storm surges of up to 15ft (4.5m) were expected.

Read:Hurricane Florence sparks US exodus

The country’s National Emergency Management Agency believes that damage could be exacerbated by the fact that the storm’s westward motion is forecast to slow – this would keep it over the islands for longer.

A tropical storm watch is also in effect for a 120-mile (193km) stretch of Florida’s eastern coast, with hurricane-force winds possible along the state’s coast by early next week.

The coasts of Georgia, North Carolina and South Carolina are also at risk of strong wings and a “dangerous storm surge” during the middle of next week.

Dorian’s exact path toward Florida remains uncertain but millions of people could be affected, as well as holiday attractions such as Walt Disney World and President Donald Trump’s Mar-a-Lago resort.

Dorian is expected to drop up to 12in (30cm) of rain on the coastal US, with some areas getting as much as 18in. Tides in the region are already at some of their highest levels of the year, owing to a naturally occurring event.

A new moon, combined with the coming autumn equinox, has created what are known in Florida as “king tides”. These are likely to exacerbate dangerous levels of flooding, forecasters warn.

Source: bbc.com

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