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Tropical Storm Melissa is forecast to strengthen into a uncommon highest-level storm as it shifts in the direction of the Caribbean island, bringing life-threatening sudden floods and landslides.

The hurricane, which registered winds of up to 195 km/h as of 0600 Greenwich Mean Time, is presently veering northwest in the Caribbean region and is projected to hit the coast by midweek, as reported by meteorological authorities.

Alerts of power cuts and damage to infrastructure have been issued as Melissa produces up to thirty inches of rain and storm surges as high as thirteen feet above normal levels. "Take cover without delay," residents have been advised.

This hurricane is the 13th named storm in the ongoing Atlantic season, which typically ends in the eleventh month.

Highest-Level Cyclone Threat

A highest-level cyclone is the strongest type, with winds of at least 252 km/h.

Although the hurricane is projected to weaken to a Category 4 storm before making landfall on Jamaica, meteorologists said there was "very little practical difference in the total effects" upon making contact with land, and that the cyclone will be "at least that intensity" when it impacts the country.

Urgent Safety Steps

With tropical storm-level winds and rain already expected well before it moves across central Jamaica - including potentially the city of Kingston - warnings state that "readiness efforts must be accelerated".

"A multi-day period of harmful winds and torrential rain are underway and will cause severe and deadly flash flooding and numerous landslides," counseled weather authorities.

The country's head of government Andrew Holness said: "I know that there are many Jamaicans who are concerned, who are deeply troubled, and rightfully so: worry is natural.

"However the best way to address anxiety and any nervousness and concern is to remain prepared."

Inhabitants are being instructed to fortify their houses with protective bags and timber panels, and to accumulate basic necessities.

Wider Consequences

Alerts are also in effect for areas in the neighboring country including the primary urban center, the adjacent nation and Cuba's eastern region, where this storm is anticipated to bring similar effects by the middle of next week.

Landslides currently triggered by the cyclone have already killed two in the country, according to emergency services.

Projected Trajectory

Melissa is projected to cross Cuba by the middle of the week before passing across the Caribbean archipelago and entering the open ocean.

By the time it makes contact with Cuba, it is forecast to have reduced to a third-level storm.

Environmental Background

Although it is challenging to link particular meteorological occurrences to environmental shifts, researchers say it is resulting in meteorological events increasingly frequent and more extreme.

Warmer oceans create more moisture in the atmosphere, contributing to the creation of hurricanes.

Ahead of the commencement of this season's Atlantic storm period, meteorological authorities projected increased storm frequency, citing heated marine conditions and potential stronger monsoon activity around the western African continent - where hurricanes often form.