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Tropical Storm Melissa is predicted to escalate to a uncommon highest-level hurricane as it shifts in the direction of Jamaica, bringing dangerous rapid inundation and mudslides.

The hurricane, which registered wind speeds of up to 195 km/h as of 0600 Greenwich Mean Time, is currently turning northwest in the Caribbean and is projected to reach land by early next week, as reported by weather experts.

Warnings of blackouts and damage to infrastructure have been released as this storm generates up to 76cm of precipitation and storm surges as high as 4m above ground. "Find safe refuge immediately," residents have been urged.

The cyclone is the 13th named cyclone in the ongoing Atlantic season, which usually concludes in the eleventh month.

Highest-Level Cyclone Danger

A Category 5 cyclone is the most intense classification, with winds of at least 252 km/h.

While this storm is projected to diminish in strength to a fourth-level storm before arriving at the island, experts said there was "very little practical difference in the total effects" upon reaching the coast, and that the storm will be "equally strong" when it impacts the nation.

Urgent Readiness Measures

With tropical storm-level winds and rain already expected ahead of it passes over central Jamaica - perhaps encompassing the national capital - advisories indicate 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 rapid water accumulation and numerous rock slides," counseled climate experts.

Jamaican Prime Minister Andrew Holness said: "I know that there are many Jamaicans who are anxious, who are very concerned, and appropriately: concern is justified.

"Yet the most effective method to address anxiety and any unease and anxiety is to remain prepared."

Inhabitants are being advised to protect their properties with sandbags and wooden boards, and to gather necessary supplies.

Broader Effects

Alerts are also active for parts of Haiti such as the capital, Port au Prince, the Dominican Republic and eastern Cuba, where Melissa is projected to bring comparable impacts by the middle portion of the coming week.

Landslides already being caused by the hurricane have resulted in two fatalities in the country, according to local authorities.

Future Trajectory

Melissa is projected to move across Cuba by midweek before passing across the Greater Antilles and entering the Atlantic Ocean.

By the point it makes contact with Cuba, it is forecast to have diminished to a Category 3 storm.

Environmental Context

Although it is difficult to associate specific storms to climate change, scientists say it is causing weather phenomena increasingly frequent and more severe.

Higher ocean heat generate more moisture in the air, contributing to the formation of tropical cyclones.

Prior to the beginning of the current Caribbean cyclone season, meteorological authorities forecast above-normal activity, citing elevated ocean temperatures and possible enhanced seasonal rains around African coastal regions - where hurricanes frequently develop.