Friday 21 September, 2018

Hurricane hunter flies through Tropical Storm Isaac and shows a shift

This graphic shows the Arrival of Tropical-Storm-Force Winds from today to Saturday and the location of TS Isaac.

This graphic shows the Arrival of Tropical-Storm-Force Winds from today to Saturday and the location of TS Isaac.

Tropical Storm (TS) Isaac has shifted its track slightly and is no longer along latitude 14.4 North.

A hurricane-hunting plane flew through the center of Isaac and at 11:00 am, the National Hurricane Centre issued the following update.

The center of Tropical Storm Isaac was located by a United States National Oceanic and Atmospheric Administration (NOAA) Hurricane Hunter aircraft near latitude 15.0 North, longitude 54.7 West. NOTE: Isaac has shifted to the North slightly.

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Isaac is moving toward the west near 17 mph (28 km/h), and this general motion - with some decrease in forward momentum - is expected to continue through the weekend.

Flight path

Caribbean people in the central Lesser Antilles and in the Eastern Caribbean can expect to feel the effects of Tropical Storm Isaac throughout the rest of the week.

On the forecast track, Isaac is forecast to move across the central Lesser Antilles and into the eastern Caribbean Sea on Thursday, and then move across the eastern and central Caribbean Sea through Saturday.

The Lesser Antilles include the Virgin Islands, Anguilla, Saint Kitts and Nevis, Antigua and Barbuda, Montserrat, Guadeloupe, Dominica, Martinique, Saint Lucia, Saint Vincent and the Grenadines, Barbados, and Grenada.

Gusty winds recorded

Aircraft data indicate that maximum sustained winds remain near 60 mph (95 km/h) as before, but with higher gusts. Tropical-storm-force winds extend outward up to 175 miles (280 km), primarily to the north of the center.

Overall Prediction

Gradual weakening is forecast during the next 72 hours.

On Monday, September 10, TS Isaac had been upgraded to a hurricane, but has since been downgraded back to a tropical storm.

 

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