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Tropical Storm the storm is predicted to strengthen into a uncommon Category 5 storm as it turns in the direction of the Caribbean island, delivering deadly rapid inundation and rock falls.
This weather system, which recorded wind speeds of up to 195 km/h as of 6:00 AM GMT, is presently veering toward the northwest in the Caribbean Sea and is anticipated to reach land by early next week, as reported by weather experts.
Advisories of blackouts and structural damage have been announced as the hurricane produces up to 76cm of rainfall and coastal flooding as high as 4m above typical tides. "Find safe refuge immediately," locals have been urged.
Melissa is the 13th named hurricane in this year's Atlantic season, which usually concludes in the eleventh month.
A category five cyclone is the most powerful category, with wind speeds of at least 157 miles per hour.
Even though the hurricane is expected to reduce in intensity to a Category 4 hurricane before arriving at the island, authorities said there was "very little practical difference in the general consequences" upon reaching the coast, and that the cyclone will be "at least that intensity" when it strikes the country.
With tropical storm-strength wind and rainfall predicted to begin long before it passes over central Jamaica - possibly even the national capital - warnings state that "preparations should be rushed to completion".
"A multi-day period of harmful winds and heavy rainfall has started and will cause devastating and dangerous flash flooding and multiple landslides," counseled meteorological officials.
The nation's leader the official commented: "I understand that there are numerous residents who are worried, who are deeply troubled, and rightfully so: concern is justified.
"However the best way to manage worry and any apprehension and concern is to remain prepared."
Inhabitants are being told to fortify their houses with sandbags and plywood sheets, and to gather basic necessities.
Warnings are also in effect for areas in the neighboring country including the main city, Port au Prince, the neighboring country and the eastern part of Cuba, where the hurricane is expected to bring similar effects by the middle portion of the coming week.
Rock slides already being caused by the hurricane have resulted in two fatalities in the country, according to the nation's Civil Protection agency.
Melissa is forecast to cross Cuba by midweek before moving through the Greater Antilles and out into the Atlantic Ocean.
By the time it reaches Cuba, it is predicted to have diminished to a category three cyclone.
Although it is challenging to associate individual weather events to environmental shifts, experts say it is causing weather phenomena more prevalent and more severe.
Higher ocean heat create more moisture in the atmosphere, helping fuel the creation of tropical cyclones.
Ahead of the commencement of the current Atlantic storm period, meteorological authorities predicted increased storm frequency, referencing warmer seas and likely enhanced seasonal rains around West Africa - where tropical systems often form.
A semiconductor engineer with over a decade of experience in solid state device research and industry analysis.