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Tropical Storm Melissa is projected to escalate to a rare Category 5 cyclone as it veers in the direction of Jamaica, bringing deadly rapid inundation and rock falls.

The hurricane, which recorded wind speeds of up to 120 mph as of 0600 Greenwich Mean Time, is currently turning northwest in the Caribbean Sea and is anticipated to reach land by Tuesday, according to hurricane specialists.

Warnings of electricity outages and damage to infrastructure have been issued as this storm brings up to thirty inches of precipitation and coastal flooding as high as 4m above typical tides. "Find safe refuge immediately," inhabitants have been advised.

This hurricane is the 13th named storm in the ongoing Atlantic hurricane season, which usually concludes in November.

Highest-Level Cyclone Threat

A category five hurricane is the most powerful category, with sustained winds of at least 157 miles per hour.

Even though Melissa is projected to weaken to a Category 4 storm before arriving at Jamaica, experts said there was "very little practical difference in the overall impacts" upon landfall, and that the storm will be "at least that intensity" when it impacts the nation.

Immediate Readiness Measures

With storm-force wind and rainfall already expected ahead of it crosses the island's interior - perhaps encompassing the capital, Kingston - advisories indicate that "readiness efforts must be accelerated".

"A multi-day period of damaging winds and torrential rain has started and will cause devastating and dangerous rapid water accumulation and many landslides," urged weather authorities.

The country's head of government the official said: "I realize that there are many Jamaicans who are concerned, who are extremely apprehensive, and appropriately: you should be concerned.

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

Residents are being advised to fortify their houses with protective bags and timber panels, and to stock up on essentials.

Broader Effects

Warnings are also in effect for parts of Haiti such as the primary urban center, the adjacent nation and Cuba's eastern region, where this storm is projected to bring analogous consequences by the midweek period.

Landslides currently triggered by the storm have resulted in two fatalities in the country, according to local authorities.

Future Course

This weather system is projected to move across Cuba by Wednesday before passing across the Antillas Mayores and emerging into the open ocean.

By the point it arrives at Cuba, it is anticipated to have weakened to a Category 3 storm.

Environmental Background

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

Increased sea temperatures create greater water vapor in the environment, aiding in the formation of tropical cyclones.

Ahead of the commencement of this year's Atlantic storm period, climate agencies predicted increased storm frequency, referencing elevated ocean temperatures and likely enhanced seasonal rains around the western African continent - where Atlantic storms often form.