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06 Sep 2019 / United States

Dorian passing east of Cape Lookout, NC

At 500am EDT (0900 UTC), the center of Hurricane Dorian was located near latitude 34.6 North, longitude 76.2 West. Dorian is moving toward the northeast near 14mph (22 km/h) and this general motion with an increase in forward speed is expected through Saturday.

On the forecast track, the center of Dorian will move near or over the coast of North Carolina during the next several hours. The center should move to the southeast of extreme southeastern New England tonight and Saturday morning, and then across Nova Scotia late Saturday or Saturday night.

Maximum sustained winds are near 90 mph (150 km/h) with higher gusts. Dorian should remain a powerful hurricane as it moves near or along the coast of North Carolina during the next several hours. Dorian is forecast to become a post-tropical cyclone with hurricane-force winds by Saturday night as it approaches Nova Scotia.

Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 220 miles (350 km).

A NOAA weather station at Cape Lookout, North Carolina, located inside the western eyewall of Dorian has reported sustained hurricane-force winds of 74 mph (119 km/h) and a gust to 94 mph (152 km/h). This is equivalent to a 1-minute sustained wind speed of 81 mph (130 km/h).

A Weatherflow station at Fort Macon near Atlantic Beach, North Carolina, recently reported a sustained wind of 64 mph (103 km/h) and a gust to 85 mph (137 km/h).

WIND:
Hurricane conditions are spreading northward along portions of the North Carolina coast. Tropical storm conditions are still affecting the northern portion of the South Carolina coast.
Tropical storm conditions are expected in the Tropical Storm Warning area in the Mid-Atlantic states later today and over portions of extreme southeastern Massachusetts tonight or early Saturday.

STORM SURGE:
The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide:|
- Surf City to Duck NC, including Pamlico and Albemarle Sounds and the Neuse and Pamlico Rivers: 4-7 ft
- Duck NC to Poquoson VA, including Hampton Roads: 2-4 ft
Water levels could begin to rise well in advance of the arrival of strong winds. The surge will be accompanied by large and destructive waves. Surge-related flooding depends on the how close the center of Dorian comes to the coast, and can vary greatly over short distances...

RAINFALL:
Dorian is expected to produce the following rainfall totals through Saturday:
- Northeastern North Carolina: Additional 3-8 inches, isolated storm totals 15 inches.
- Far southeast Virginia: 3-8 inches.
- Extreme Southeastern New England: 2-4 inches.
- Nova Scotia and Prince Edward Island: 3-5 inches.
- New Newfoundland: 1-2 inches
This rainfall may cause life-threatening flash floods.

SURF:
Large swells will affect much of the southeastern United States coast from northern Florida through North Carolina during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions.

TORNADOES:
A few tornadoes are possible this morning across eastern North Carolina into southeastern Virginia.

(For information about operations in the United States, contact GAC North America at [email protected])

Source: Extracts from National Hurricane Center, Miami FL, Hurricane Dorian Advisory No.52 issued at 500am EDT on 6 September 2019

If quoting any content from Hot Port News, please cite GAC Hot Port News as the source.

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