Cyclone Melissa is predicted to escalate to a uncommon category five cyclone as it shifts in the direction of the Caribbean island, causing dangerous sudden floods and mudslides.
The cyclone, which recorded wind speeds of up to 195 km/h as of 06:00 GMT, is now shifting toward the northwest in the Caribbean and is expected to reach land by midweek, based on data from hurricane specialists.
Alerts of power cuts and damage to infrastructure have been announced as Melissa produces up to 30 inches of rainfall and coastal flooding as high as 4m above typical tides. "Find safe refuge immediately," residents have been advised.
This hurricane is the thirteenth storm in the ongoing Atlantic storm period, which normally finishes in the eleventh month.
A Category 5 storm is the most intense classification, with sustained winds of at least 157 miles per hour.
While this storm is projected to reduce in intensity to a Category 4 cyclone before arriving at Jamaica, authorities said there was "almost no noticeable change in the general consequences" upon making contact with land, and that the cyclone will be "just as powerful" when it impacts the island.
With storm-force gusts and precipitation anticipated well in advance ahead of it crosses Jamaica's central region - possibly even the capital, Kingston - warnings indicate that "readiness efforts must be accelerated".
"Several days of damaging winds and intense precipitation has started and will cause devastating and dangerous sudden floods and many rock slides," counseled climate experts.
The country's head of government the statesman commented: "I know that there are numerous residents who are anxious, who are deeply troubled, and appropriately: you should be concerned.
"But the optimal approach to manage nervousness and any nervousness and worry is to stay ready."
Inhabitants are being told to secure their homes with sand barriers and wooden boards, and to accumulate essentials.
Alerts are also active for areas in Haiti such as the capital, Port au Prince, the adjacent nation and the eastern part of Cuba, where Melissa is anticipated to bring analogous consequences by the middle portion of the coming week.
Landslides presently generated by the hurricane have resulted in two fatalities in the country, according to the nation's Civil Protection agency.
This weather system is projected to pass over the island nation by Wednesday before passing across the Caribbean archipelago and emerging into the open ocean.
By the moment it makes contact with the Caribbean nation, it is predicted to have diminished to a Category 3 storm.
While it is difficult to connect specific storms to global warming, researchers say it is causing weather phenomena increasingly frequent and more intense.
Higher ocean heat generate additional humidity in the atmosphere, contributing to the formation of hurricanes.
Before the commencement of this season's Atlantic storm period, weather organizations predicted increased storm frequency, citing heated marine conditions and possible stronger monsoon activity around West Africa - where hurricanes often form.
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