Hurricane Melissa is projected to strengthen into a rare category five storm as it veers toward the Caribbean island, bringing life-threatening sudden floods and mudslides.
The hurricane, which registered wind speeds of up to 120 mph as of 0600 Greenwich Mean Time, is now shifting toward the northwest in the Caribbean and is expected to make landfall by midweek, as reported by weather experts.
Advisories of electricity outages and disruption to utilities have been released as this storm produces up to 76cm of precipitation and sea level surges as high as 13ft above normal levels. "Take cover without delay," inhabitants have been told.
Melissa is the 13th named cyclone in the ongoing Atlantic hurricane season, which usually concludes in the eleventh month.
A highest-level cyclone is the strongest type, with wind speeds of at least 157mph.
Although the hurricane is projected to reduce in intensity to a fourth-level hurricane before making landfall on Jamaica, meteorologists said there was "almost no noticeable change in the total effects" upon landfall, and that the hurricane will be "just as powerful" when it hits the island.
With tropical storm-strength wind and rainfall already expected long before it crosses central Jamaica - perhaps encompassing the national capital - advisories emphasize that "safety measures need to be finalized quickly".
"An extended timeframe of destructive gusts and intense precipitation are underway and will cause devastating and dangerous flash flooding and numerous rock slides," counseled meteorological officials.
Jamaican Prime Minister the official commented: "I know that there are numerous residents who are worried, who are deeply troubled, and rightfully so: concern is justified.
"But the optimal approach to address nervousness and any apprehension and anxiety is to remain prepared."
Locals are being instructed to secure their homes with sandbags and timber panels, and to accumulate necessary supplies.
Advisories are also in effect for areas in Haiti encompassing the capital, Port au Prince, the neighboring country and Cuba's eastern region, where the hurricane is anticipated to bring similar effects by the middle portion of the coming week.
Landslides already being caused by the hurricane have caused two deaths in the country, according to emergency services.
Melissa is forecast to cross the island nation by midweek before traveling via the Caribbean archipelago and out into the Atlantic Ocean.
By the moment it reaches the Caribbean nation, it is anticipated to have reduced to a category three hurricane.
Even though it is challenging to link specific storms to climate change, scientists say it is causing weather phenomena increasingly frequent and more intense.
Higher ocean heat create additional humidity in the atmosphere, helping fuel the formation of tropical cyclones.
Ahead of the beginning of this season's Caribbean cyclone season, climate agencies projected increased storm frequency, citing heated marine conditions and likely stronger monsoon activity around the western African continent - where tropical systems typically originate.
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