"Irma remains a dangerous hurricane heading west-southwest by showing intensity fluctuations on Sunday and Monday," Météo France said in its Sunday report at 17 p.m. Its center is located 1 km from Saint-Barth and 377 km from Saint-Martin.
Irma should intensify more clearly on Tuesday and Wednesday near the West Indies arc. A bending of the trajectory towards the West-North-West is expected in the day of Tuesday. In the evening, Irma will then probably be a powerful category 4 hurricane in the process of intensification, the center being approximately 250 km east of the Antillean arc.
“As a reminder, a category 4 hurricane can generate near the center of winds reaching 200 to 220 km / h on average with gusts that can exceed 250 km / h. At sea, the waves exceed 10m. The associated rains are torrential near the heart of the phenomenon, ”recalls Météo France.
Sunday evening, the most likely scenario was a passage from the heart of the phenomenon, the most intense area, in the immediate vicinity of the Northern Islands during the day on Wednesday.
The cyclonic swell from East to North-East will be the first sign of Irma's approach in Monday, strengthening on Tuesday. The weather should deteriorate significantly overnight from Tuesday to Wednesday, the wind gusts could already reach 100 to 120 m / h from the end of the night from Tuesday to Wednesday with gusts that can exceed 200 km / h.
The northern islands and Guadeloupe were placed in yellow vigilance on Sunday morning, Martinique at midday.
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