Hurricane Ida reaches category 4 and threatens the United States.

The hurricane increased in size shortly before its arrival in the United States

According to the latest bulletin from the National Hurricane Center (NHC), in which “Ida” was studied, just before it touched US soil in Louisiana, winds were found to reach a speed of 230 km / h. , which is equivalent to category 4 on the Saffir Simpson scale.

The increase in their speed, they explain, occurred when they had contact with the warm waters of the Gulf of Mexico, after passing through Cuba.

With this volume, the NHC considers that its passage through the North American country could make the areas through which it passes “uninhabitable for weeks or months”. At that time it was about 100 km from the mouth of the Mississippi River and was moving at a speed of 24 km / h.

The Saffir Simpson scale lists the strength of hurricanes from 1 to 5 and this went from 2 to 4 in less than 24 hours. However, the wind is not the concern of the authorities in the US, but the floods in New Orleans, which is a few meters above sea level and for this reason they have already evacuated thousands of people. It is estimated that due to the influence of Ida there could be a flood of 4.8 meters and an accumulation of rainwater of 60 centimeters.

Floods, flash floods, high winds and possible tornado formations are expected to affect the population of Louisiana, Mississippi, central and southern Alabama and the western tip of Florida between Sunday afternoon and Monday.

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