Threat Remains: Dorian Moving Slightly More over Grand Bahama, Weakening a Bit, But Getting Bigger

NASSAU, The Bahamas, Tuesday September 3, 2019 – A weakening Hurricane Dorian is starting to slowly push away from a battered Grand Bahama Island, but is getting bigger and continues to generate dangerous winds and life-threatening storm surge.

In its 11 a.m. advisory, the National Hurricane Centre (NHC) said data from aircraft and buoys indicate that the hurricane is growing in size. Hurricane-force winds extend outward up to 60 miles from the centre and tropical-storm-force winds extend outward up to 175 miles.

Data from reconnaissance aircraft had also indicated that Dorian’s maximum sustained winds had dropped to near 110 miles per hour.

At the time, the hurricane was located 45 miles north of Freeport, Grand Bahama and moving towards the northwest at two miles per hour.

The NHC said a slightly faster motion toward the northwest or north-northwest is expected later today and tonight, and a turn toward the north is forecast by tomorrow evening, followed by a turn toward the north-northeast Thursday morning. 

“On this track, the core of extremely dangerous Hurricane Dorian will gradually move north of Grand Bahama Island through this evening,” the advisory stated, although noting that tropical storm and hurricane conditions are forecast to continue on Grand Bahama Island through tonight. 

“The hurricane will then move dangerously close to the Florida east coast late today through Wednesday evening, very near the Georgia and South Carolina coasts Wednesday night and Thursday, and near or over the North Carolina coast late Thursday and Thursday night….Dorian is expected to remain a powerful hurricane during the next couple of days.”

Warning of the expected continued impacts on Grand Bahama, the NHC said a life-threatening storm surge will raise water levels by as much as 10 to 15 feet above normal tide levels in areas of onshore winds on the island. 

“Near the coast, the surge will be accompanied by large and destructive waves. Water levels should very slowly subside on the Abaco Islands today,” it said.

Through Friday, Dorian is expected to produce an additional two to four inches of rain, with isolated storm totals over 30 inches, in the northwestern Bahamas.

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