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What is a “zombie storm” and what does it have to do with Hurricane John in Mexico?

He Hurricane Johneleventh tropical cyclone of this hurricane season 2024 of the Pacific Ocean hit the western coast of Mexico on Monday night, but now he returned, in what specialists call a “zombie storm”. This system will cross the coastal areas of the entities in the southwest of the country throughout this Friday and will begin to dissipate as it moves away from the mainland on Saturday.

In San Marcos, Guerrero, near where the hurricane made landfall, there was considerable damageGetty Images/BBC Mundo

John made landfall for the first time this Monday after 9 p.m. local time in the state of Guerreronear the city of Marquelialike Category 3 major hurricane. The consequences of its arrival were devastating: intense rains and gusts that exceeded 220 kilometers per hour caused serious damage to homes and infrastructure.

The term “zombie storm” was coined by US National Weather Service (NWSfor its acronym in English) in 2020, when the remnants of the torments Paulette They reappeared near the Azores, after having hit Bermuda and dissipated, according to Reuters. Meanwhile, this term was strictly associated with what happened four years ago: a meteorological phenomenon in which a tormenta tropical or hurricane that had weakened or dissipated re-intensifies under favorable conditions.

Tropical cyclones gain their strength from the heat of the ocean surface or high-temperature seas near the tropics. In turn, they usually begin to weaken when they make landfall or come into contact with colder waters, as this causes them to lose their source of energy. As indicated to CNN the meteorologist Brandon Millerzombie storms They then form when conditions initially hostile to the storm improve, allowing it to win again. force, processes that could become more frequent due to the warming of ocean waters associated with climate change.

A zombie storm is a tropical cyclone that dissipated and then reactivated under favorable environmental conditions.NASA/Matthew Dominick

This term is a colloquial way of describing this type of revival, as an analogy with the dead coming back to life, like “zombies.” Although It is not a scientific termhas been used in multiple weather reports and news to capture the public’s attention and simply describe this unusual behavior of weather phenomena.

He Hurricane John hit Mexico on Monday, and 24 hours later began to dissipate. However, between last Wednesday and Thursday the predictive models began to show signs that the system was beginning to reactivate. Now, it threatens the west coast of that country again.

After making landfall again and passing through the coastal areas of MichoacanTropical Storm John It continues its advance at a speed of six kilometers per hour in a northwesterly direction. with maximum sustained winds of 75 kilometers per hour and even stronger gusts.

The predicted path of Hurricane JohnNHC

Thus, this Friday, this cyclone will pass through the west of Colima and, later, to the west of Jalisco. He US National Hurricane Center (NHCfor its acronym in English) anticipated that, After weakening tonight, the system will begin to slowly move away from the Mexican coasts. As of Saturday, only the remnants will remain, and on Sunday it will end up dissipating several kilometers south of the tip of Baja California Sur.

THE NATION

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