Position of Isaac on Wednesday morning

Weather authorities say Tropical Storm Isaac is becoming more organized. Outer bands are affecting portions of the Lesser Antilles.

According to the latest advisory from the Met Office, Dominica remains on a Tropical Storm WARNING.

A Tropical Storm Warning means that Tropical Storm conditions are EXPECTED somewhere within the Warning area, in this case within 24 hours.

At 5am, the center of Tropical Storm ISAAC was located near Latitude 15.5 North, Longitude 57.3 West or about 270 miles east of Dominica. ISAAC is moving toward the west near 18 mph and this general motion is expected to continue for the next couple of days. On the forecast track, the center of ISAAC is expected to pass near Dominica/Guadeloupe later today or early tonight.

Maximum sustained winds are near 45 mph with higher gusts. Some strengthening is forecast during the next 48 hours and ISAAC could become a hurricane by Thursday. Sustained winds of 40 – 50 mph with higher gusts are likely to affect Dominica as the center of the system passes close to the island later today.

Rainfall totals of 4 – 8 inches are possible across the island with even higher amounts possible over mountainous areas. Some flash flooding is likely and residents in low lying areas are advised to take the necessary precautions.

Sea conditions are expected to be about 14 feet.

Residents are asked to continue to monitor the movement of Isaac closely and make all final arrangements and to stay away from areas prone to landslides and flash flooding.

Residents along the coastline should also be mindful of possible high sea swells.