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27 Aug 2019 / Eastern Caribbean

Tropical Storm Dorian moves into Eastern Caribbean

At 800am AST (1200 UTC), the center of Tropical Storm Dorian was located by surface observations and Martinique radar data near latitude 14.0 North, longitude 61.2 West.

Dorian is moving toward the west-northwest near 13 mph (20 km/h), and this motion is expected to continue through tonight, followed by a turn toward the northwest on Wednesday. On the forecast track, the center of Dorian will move across the eastern and northeastern Caribbean Sea during the next few days, passing near or south of Puerto Rico on Wednesday, move near or over eastern Hispaniola Wednesday night, and move north of Hispaniola on Thursday.

Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Slow strengthening is forecast during the next 48 hours, and Dorian is forecast to be near hurricane strength when it moves close to Puerto Rico and eastern Hispaniola. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center…

RAINFALL
Dorian is expected to produce the following rain accumulations through Thursday:

  • Barbados - Additional rainfall up to 1 inch, storm total around 6 inches.
  • Windward Islands from Martinique to Saint Vincent – 3-6 inches, isolated 10 inches.
  • Grenadines to Grenada – 1-3 inches.
  • Leeward Islands from Guadeloupe to Dominica – 1-4 inches.
  • Puerto Rico and Saint Croix - 2 to 4 inches, isolated 6 inches.
  • Dominican Republic – 2-4 inches, isolated 6 inches.

This rainfall may cause life-threatening flash floods, especially where totals exceed 4 inches.

WIND
Tropical storm conditions are occurring in portions of the tropical storm warning area in the Lesser Antilles and these conditions are expected to continue during the next several hours.
Tropical storm conditions are expected and hurricane conditions are possible in Puerto Rico on Wednesday. Hurricane conditions are possible in the hurricane watch area in the Dominican Republic by late Wednesday and tropical storm conditions are possible in the tropical storm watch area beginning late Wednesday. Tropical storm conditions are possible within the tropical storm watch area in the Lesser Antilles today.

SURF
Swells generated by Dorian are affecting portions of the Lesser Antilles and they should continue during the next several hours. Swells are expected to increase along the southern coasts of Puerto Rico and Hispaniola on Wednesday and they could cause life-threatening surf and rip current conditions.

(For information about operations in the Americas, contact the GAC Houston Hub Agency Center at [email protected])

Source: National Hurricane Center, Miami FL,Tropical Storm Dorian Intermediate Advisory No.12A issued at 800am AST Tue Aug 27 2019

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

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