Cyclone Melissa is predicted to strengthen into a rare Category 5 hurricane as it turns in the direction of the Caribbean island, delivering dangerous flash flooding and rock falls.
The hurricane, which had winds of up to 120 mph as of 0600 Greenwich Mean Time, is now shifting toward the northwest in the Caribbean region and is anticipated to make landfall by midweek, as reported by meteorological authorities.
Warnings of power cuts and disruption to utilities have been announced as Melissa brings up to 30 inches of rainfall and sea level surges as high as thirteen feet above ground. "Seek shelter now," locals have been advised.
The cyclone is the 13th hurricane in the current Atlantic storm period, which typically ends in November.
A Category 5 storm is the most powerful category, with sustained winds of at least 157mph.
Although this storm is projected to weaken to a Category 4 storm before making landfall on the island, meteorologists said there was "very little practical difference in the general consequences" upon making contact with land, and that the storm will be "at least that intensity" when it strikes the country.
With tropical storm-strength wind and rainfall anticipated well in advance ahead of it moves across Jamaica's central region - including potentially the national capital - advisories indicate that "preparations should be rushed to completion".
"A multi-day period of destructive gusts and intense precipitation has started and will cause severe and deadly sudden floods and multiple mudslides," urged weather authorities.
The country's head of government the official stated: "I understand that there are numerous residents who are worried, who are deeply troubled, and with good reason: worry is natural.
"Yet the most effective method to manage nervousness and any unease and worry is to stay ready."
Residents are being instructed to secure their homes with sand barriers and wooden boards, and to accumulate essentials.
Advisories are also active for regions of Haiti such as the primary urban center, the Dominican Republic and Cuba's eastern region, where Melissa is projected to bring comparable impacts by the middle of next week.
Rock slides presently generated by the hurricane have resulted in two fatalities in the country, according to local authorities.
Melissa is projected to move across the island nation by the middle of the week before moving through the Greater Antilles and entering the Atlantic Ocean.
By the moment it makes contact with the Caribbean nation, it is forecast to have diminished to a third-level storm.
Even though it is challenging to associate particular meteorological occurrences to environmental shifts, experts say it is causing climate patterns more common and more extreme.
Warmer oceans produce greater water vapor in the air, contributing to the formation of storms.
Prior to the beginning of the current Atlantic hurricane season, climate agencies predicted above-normal activity, citing elevated ocean temperatures and possible more intense weather patterns around the western African continent - where tropical systems typically originate.
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