VIDEO: Hurricane Dorian headed to the Maritimes, Quebec

Canadian Hurricane Centre says storm expected this weekend as Category 1 or strong tropical storm

The Canadian Hurricane Centre says hurricane Dorian is expected to spin into Atlantic Canada this weekend as either a Category 1 hurricane or a strong tropical storm, churning out sustained winds up to 130 kilometres per hour.

“It’s probably going to be a big deal,” said Environment Canada meteorologist Ian Hubbard. “It’s going to be a very significant wind event. We’re a few days away from it, so we still have to work on the details.”

Hubbard, who works at the hurricane centre in Halifax, said the storm is forecast to track along the U.S. eastern seaboard to North Carolina’s Cape Hatteras on Friday and move near Nova Scotia on Saturday, then on to Newfoundland on Sunday.

A Category 1 hurricane produces sustained wind speeds at 119 kilometres per hour or above, reaching Category 2 at 154 kilometres per hour.

According to the National Hurricane Centre in Miami, Category 1 hurricanes can break large tree limbs, pull off shingles and vinyl siding and topple trees with shallow roots. That means widespread power outages are a key concern for emergency planners.

Heavy rainfall is expected, especially north and west of Dorian’s track, which means the biggest downpours will likely be along the southern Maritimes on Saturday and parts of Newfoundland on Sunday.

“We want to make sure people are paying attention to our forecasts and basing their decisions on that,” said Hubbard. “There is still a lot of uncertainty in (Dorian’s) track. We can’t pin down exactly where it’s going to go at this point.”

However, Hubbard said it would be a mistake for people in the region to focus on Dorian’s precise track, given the fact that the storm appears to be expanding.

“The impacts of this storm will reach well beyond the eye or the storm centre,” he said. “There’s going to be a lot of wind over a lot of areas, regardless of whether you are close to that centre or if you’re a couple hundred kilometres away.”

Environment Canada says most parts of Atlantic Canada will experience tropical storm force winds, which exceed 63 kilometres per hour.

RELATED: Hurricane Dorian parks over the Bahamas

However, Dorian’s course and strength could change significantly in the days ahead, especially if it makes landfall in the United States.

The latest computer models indicate Dorian could head out to sea as it moves toward Nova Scotia, or it could shift northward into southern New Brunswick and the eastern edges of Quebec and southern Labrador.

As of Wednesday, the hurricane centre started issuing bulletins every six hours.

Michael MacDonald, The Canadian Press

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