Cyclone Melissa is projected to become a rare category five storm as it turns in the direction of Jamaica, causing dangerous rapid inundation and landslides.
This weather system, which registered winds of up to 120 mph as of 6:00 AM GMT, is now shifting north-west in the Caribbean region and is expected to reach land by Tuesday, as reported by meteorological authorities.
Advisories of blackouts and structural damage have been released as this storm brings up to 30 inches of precipitation and sea level surges as high as 4m above ground. "Find safe refuge immediately," residents have been told.
The cyclone is the 13th named cyclone in the ongoing Atlantic season, which usually concludes in the eleventh month.
A highest-level storm is the most powerful category, with wind speeds of at least 252 km/h.
While the hurricane is projected to reduce in intensity to a Category 4 storm before reaching Jamaica, authorities said there was "minimal real distinction in the total effects" upon reaching the coast, and that the cyclone will be "at least that intensity" when it hits the island.
With tropical storm-level gusts and precipitation anticipated well in advance ahead of it crosses the island's interior - including potentially the capital, Kingston - alerts state that "safety measures need to be finalized quickly".
"An extended timeframe of destructive gusts and intense precipitation has started and will cause devastating and dangerous flash flooding and numerous rock slides," advised meteorological officials.
The nation's leader the official said: "I know that there are numerous residents who are worried, who are extremely apprehensive, and with good reason: concern is justified.
"However the best way to manage nervousness and any nervousness and worry is to stay ready."
Residents are being advised to secure their homes with sand barriers and wooden boards, and to accumulate essentials.
Warnings are also ongoing for parts of Haiti including the main city, Port au Prince, the neighboring country and the eastern part of Cuba, where the hurricane is anticipated to bring comparable impacts by the middle portion of the coming week.
Mudslides presently generated by the hurricane have already killed two in the country, according to local authorities.
The hurricane is forecast to pass over Cuba by midweek before moving through the Antillas Mayores and entering the open ocean.
By the point it reaches the Caribbean nation, it is anticipated to have reduced to a Category 3 storm.
Even though it is hard to link particular meteorological occurrences to environmental shifts, researchers say it is making climate patterns increasingly frequent and more intense.
Increased sea temperatures produce additional humidity in the air, aiding in the creation of tropical cyclones.
Before the commencement of this year's Caribbean cyclone season, climate agencies projected higher-than-average occurrence, referencing elevated ocean temperatures and potential enhanced seasonal rains around West Africa - where Atlantic storms frequently develop.
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