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Cyclone Melissa is projected to strengthen into a infrequent Category 5 cyclone as it shifts in the direction of Jamaica, bringing life-threatening sudden floods and landslides.

This weather system, which had winds of up to 120 mph as of 6:00 AM GMT, is presently veering toward the northwest in the Caribbean region and is projected to reach land by early next week, according to meteorological authorities.

Advisories of power cuts and structural damage have been released as Melissa generates up to 76cm of rain and sea level surges as high as 4m above normal levels. "Find safe refuge immediately," residents have been told.

Melissa is the thirteenth cyclone in the current Atlantic storm period, which normally finishes in November.

Highest-Level Storm Danger

A Category 5 cyclone is the most powerful category, with sustained winds of at least 157mph.

While the hurricane is expected to weaken to a fourth-level storm before making landfall on the island, authorities said there was "minimal real distinction in the overall impacts" upon making contact with land, and that the cyclone will be "just as powerful" when it strikes the nation.

Immediate Readiness Measures

With tropical storm-strength gusts and precipitation anticipated well in advance long before it crosses Jamaica's central region - perhaps encompassing the city of Kingston - warnings emphasize that "safety measures need to be finalized quickly".

"A multi-day period of harmful winds and heavy rainfall have begun and will cause severe and deadly flash flooding and many mudslides," advised climate experts.

The nation's leader Andrew Holness commented: "I realize that there are numerous residents who are anxious, who are extremely apprehensive, and rightfully so: you should be concerned.

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

Residents are being told to protect their properties with sand barriers and plywood sheets, and to gather essentials.

Broader Impact

Alerts are also ongoing for regions of the neighboring country including the capital, Port au Prince, the neighboring country and the eastern part of Cuba, where this storm is expected to bring analogous consequences by the middle of next week.

Rock slides currently triggered by the storm have already killed two in Haiti, according to local authorities.

Expected Path

Melissa is projected to pass over the island nation by midweek before passing across the Caribbean archipelago and out into the Atlantic Ocean.

By the point it arrives at Cuba, it is predicted to have reduced to a third-level cyclone.

Weather Background

Although it is challenging to link individual weather events to environmental shifts, researchers say it is resulting in weather phenomena more common and more severe.

Warmer oceans generate greater water vapor in the atmosphere, helping fuel the creation of storms.

Before the start of the current Atlantic storm period, weather organizations predicted above-normal activity, mentioning warmer seas and potential more intense weather patterns around West Africa - where tropical systems frequently develop.