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Tropical Storm Melissa is predicted to strengthen into a infrequent Category 5 hurricane as it shifts in the direction of Jamaica, causing life-threatening rapid inundation and landslides.

The cyclone, which recorded winds of up to 120 mph as of 06:00 GMT, is presently veering northwest in the Caribbean region and is projected to reach land by midweek, as reported by meteorological authorities.

Alerts of power cuts and disruption to utilities have been announced as the hurricane brings up to 76cm of precipitation and coastal flooding as high as 4m above typical tides. "Find safe refuge immediately," residents have been told.

This hurricane is the thirteenth storm in the current Atlantic storm period, which typically ends in late autumn.

Most Intense Cyclone Danger

A highest-level storm is the most powerful category, with winds of at least 157 miles per hour.

Even though the hurricane is expected to diminish in strength to a fourth-level cyclone before making landfall on the island, authorities said there was "very little practical difference in the overall impacts" upon making contact with land, and that the storm will be "at least that intensity" when it impacts the country.

Critical Safety Steps

With tropical storm-strength winds and rain predicted to begin well before it moves across central Jamaica - possibly even the city of Kingston - advisories emphasize that "preparations should be rushed to completion".

"A multi-day period of harmful winds and intense precipitation have begun and will cause catastrophic and life-threatening rapid water accumulation and numerous rock slides," advised climate experts.

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

"Yet the best way to handle nervousness and any unease and concern is to stay ready."

Inhabitants are being instructed to fortify their houses with sandbags and wooden boards, and to stock up on essentials.

Regional Consequences

Warnings are also active for parts of Haiti encompassing the capital, Port au Prince, the Dominican Republic and the eastern part of Cuba, where Melissa is expected to bring analogous consequences by the midweek period.

Rock slides currently triggered by the hurricane have caused two deaths in the country, according to local authorities.

Projected Course

This weather system is forecast to move across the island nation by midweek before traveling via the Antillas Mayores and out into the Atlantic Ocean.

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

Weather Background

Even though it is hard to link particular meteorological occurrences to climate change, researchers say it is resulting in climate patterns increasingly frequent and more severe.

Warmer oceans generate additional humidity in the environment, contributing to the formation of tropical cyclones.

Ahead of the beginning of this year's Caribbean cyclone season, meteorological authorities projected increased storm frequency, citing elevated ocean temperatures and possible more intense weather patterns around the western African continent - where tropical systems frequently develop.