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Hurricane Melissa is predicted to strengthen into a infrequent category five hurricane as it shifts toward the Caribbean island, delivering dangerous rapid inundation and rock falls.

The cyclone, which registered wind speeds of up to 120 mph as of 0600 Greenwich Mean Time, is presently veering northwest in the Caribbean Sea and is projected to hit the coast by midweek, according to meteorological authorities.

Alerts of blackouts and structural damage have been issued as this storm produces up to 30 inches of rainfall and storm surges as high as 4m above typical tides. "Take cover without delay," inhabitants have been urged.

Melissa is the 13th named storm in the current Atlantic storm period, which typically ends in the eleventh month.

Category Five Hurricane Danger

A category five hurricane is the strongest type, with wind speeds of at least 157 miles per hour.

Although this storm is set to diminish in strength to a Category 4 hurricane before arriving at Jamaica, meteorologists said there was "almost no noticeable change in the general consequences" upon landfall, and that the cyclone will be "at least that intensity" when it strikes the nation.

Urgent Readiness Measures

With storm-force winds and rain predicted to begin long before it passes over central Jamaica - possibly even the capital, Kingston - warnings state that "safety measures need to be finalized quickly".

"A multi-day period of damaging winds and intense precipitation are underway and will cause catastrophic and life-threatening rapid water accumulation and multiple mudslides," counseled weather authorities.

The country's head of government Andrew Holness commented: "I understand that there are countless citizens who are anxious, who are very concerned, and with good reason: concern is justified.

"But the optimal approach to address worry and any apprehension and concern is to stay ready."

Inhabitants are being instructed to fortify their houses with sandbags and timber panels, and to accumulate necessary supplies.

Broader Impact

Warnings are also active for parts of Haiti such as the main city, Port au Prince, the Dominican Republic and the eastern part of Cuba, where the hurricane is expected to bring comparable impacts by the middle of next week.

Rock slides already being caused by the storm have resulted in two fatalities in the country, according to emergency services.

Future Trajectory

The hurricane is forecast to move across Cuba by midweek before passing across the Greater Antilles and entering the Atlantic Ocean.

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

Climate Context

While it is challenging to link specific storms to climate change, scientists say it is resulting in climate patterns increasingly frequent and more extreme.

Higher ocean heat create greater water vapor in the environment, helping fuel the formation of hurricanes.

Before the start of the current Atlantic storm period, meteorological authorities forecast increased storm frequency, mentioning heated marine conditions and potential enhanced seasonal rains around the western African continent - where hurricanes frequently develop.