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BMU | Sep 19, 2025

TS Gabrielle forecast to reach hurricane intensity by Sunday

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Tropical Storm Gabrielle safely out in the open Atlantic Ocean, as seen from space in this satellite-generated image as at 9:40 am Atlantic Standard Time (AST) on Friday, September 19, 2025. (Photo: National Hurricane Center)

Meteorologists are anticipating Tropical Storm Gabrielle to approach hurricane force as early as Sunday (September 21), as another system emerges off the West African coast.

The US-based National Hurricane Center (NHC), in its latest bulletin tracking the fifth named storm of the 2025 season, advised that Gabrielle may enter a gradual intensification phase with conducive environmental conditions in the open Atlantic.

As at 11:00 am Atlantic Standard Time (AST) on Friday, the centre of Gabrielle was located near latitude 21.9 North, longitude 54.8 West—or roughly 885 kilometres east-northeast of the northern Leeward Islands.

She formed out of Tropical Depression 7 just some 24 hours prior, and is currently churning northwest at 19 kilometres/hour.

Conditions are favourable for Tropical Storm Gabrielle, the seventh named system of the 2025 Hurricane Season, to reach hurricane intensity as early as this weekend. The storm now seen in this satellite-generated time-lapse as at 9:10 am Atlantic Standard Time (AST) on Friday, September 19, 2025. (Content courtesy of NOAA/NHC)

With tropical-storm-force winds extending outward up to 240 kilometres from its centre, Gabrielle is packing maximum sustained winds near 85 kilometres/hour.

On the forecast track, Gabrielle is expected to pass east of Bermuda Sunday night and Monday. Gradual strengthening is forecast, and Gabrielle is expected to become a hurricane by Sunday, the NHC advised.

Additionally, meteorologists are tracking a tropical wave just off West Africa, which is producing disorganised shower and thunderstorm activity.

A seven-day tropical weather outlook for the Atlantic Basin, highlighting Tropical Storm Gabrielle and another disturbance as at 10:24 am Eastern Daylight Time (EDT) on Friday, September 19, 2025. (Photo: National Hurricane Center)

NHC experts noted that some slow development of this system is possible through the middle to latter part of next week as it barrels west-northwestward across the eastern and central tropical Atlantic.

Formation chances are listed as ‘low’, at 20 per cent over the next seven days.

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