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Hurricane the storm is projected to strengthen into a uncommon highest-level hurricane as it shifts in the direction of Jamaica, bringing dangerous sudden floods and rock falls.

The cyclone, which registered winds of up to 195 km/h as of 06:00 GMT, is presently veering toward the northwest in the Caribbean Sea and is expected to reach land by early next week, according to hurricane specialists.

Advisories of electricity outages and damage to infrastructure have been released as the hurricane generates up to 76cm of precipitation and sea level surges as high as 13ft above normal levels. "Take cover without delay," inhabitants have been advised.

Melissa is the thirteenth hurricane in this year's Atlantic hurricane season, which normally finishes in late autumn.

Highest-Level Storm Risk

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

While this storm is expected to diminish in strength to a Category 4 storm before arriving at the island, authorities said there was "minimal real distinction in the total effects" upon reaching the coast, and that the cyclone will be "equally strong" when it impacts the nation.

Immediate Preparations

With tropical storm-level wind and rainfall already expected long before it crosses central Jamaica - perhaps encompassing the national capital - warnings indicate that "readiness efforts must be accelerated".

"An extended timeframe of damaging winds and intense precipitation has started and will cause devastating and dangerous rapid water accumulation and multiple mudslides," advised meteorological officials.

The country's head of government the statesman commented: "I know that there are many Jamaicans who are worried, who are deeply troubled, and appropriately: worry is natural.

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

Inhabitants are being instructed to secure their homes with sand barriers and wooden boards, and to gather basic necessities.

Regional Effects

Warnings are also in effect for parts of Haiti including the capital, Port au Prince, the Dominican Republic and eastern Cuba, where Melissa is anticipated to bring similar effects by the middle of next week.

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

Projected Course

The hurricane is forecast to cross Cuba by Wednesday before traveling via the Antillas Mayores and entering the Atlantic Ocean.

By the point it makes contact with the Caribbean nation, it is forecast to have reduced to a third-level hurricane.

Environmental Context

While it is challenging to associate particular meteorological occurrences to climate change, scientists say it is making meteorological events increasingly frequent and more intense.

Increased sea temperatures create additional humidity in the atmosphere, aiding in the formation of tropical cyclones.

Ahead of the commencement of this year's Atlantic storm period, weather organizations forecast higher-than-average occurrence, citing warmer seas and possible enhanced seasonal rains around the western African continent - where hurricanes often form.