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Cyclone the storm is predicted to escalate to a rare highest-level storm as it shifts towards Jamaica, causing deadly rapid inundation and landslides.

The hurricane, which recorded wind speeds of up to 120 mph as of 6:00 AM GMT, is now shifting toward the northwest in the Caribbean Sea and is projected to make landfall by Tuesday, based on data from hurricane specialists.

Alerts of electricity outages and disruption to utilities have been issued as the hurricane generates up to 30 inches of rain and sea level surges as high as thirteen feet above ground. "Take cover without delay," inhabitants have been urged.

This hurricane is the thirteenth cyclone in the current Atlantic season, which usually concludes in late autumn.

Most Intense Cyclone Risk

A highest-level hurricane is the most powerful category, with sustained winds of at least 252 km/h.

While the hurricane is projected to diminish in strength to a fourth-level hurricane before making landfall on the island, authorities said there was "almost no noticeable change in the general consequences" upon landfall, and that the storm will be "equally strong" when it strikes the country.

Urgent Readiness Measures

With storm-force gusts and precipitation anticipated well in advance well before it crosses central Jamaica - including potentially the national capital - advisories indicate that "readiness efforts must be accelerated".

"Several days of destructive gusts and torrential rain have begun and will cause catastrophic and life-threatening rapid water accumulation and multiple rock slides," advised weather authorities.

The nation's leader Andrew Holness said: "I realize that there are many Jamaicans who are worried, who are deeply troubled, and rightfully so: concern is justified.

"Yet the most effective method to manage worry and any apprehension and concern is to remain prepared."

Locals are being told to secure their homes with sandbags and wooden boards, and to stock up on essentials.

Broader Impact

Warnings are also active for regions of the neighboring country including the primary urban center, the Dominican Republic and Cuba's eastern region, where the hurricane is projected to bring similar effects by the middle portion of the coming week.

Mudslides already being caused by the hurricane have caused two deaths in Haiti, according to local authorities.

Future Trajectory

Melissa is forecast to pass over Cuba by the middle of the week before moving through the Greater Antilles and emerging into the open ocean.

By the moment it reaches the Caribbean nation, it is anticipated to have diminished to a category three storm.

Environmental Context

Although it is challenging to associate particular meteorological occurrences to climate change, researchers say it is making meteorological events more prevalent and more extreme.

Increased sea temperatures produce more moisture in the atmosphere, helping fuel the formation of hurricanes.

Prior to the commencement of the current Atlantic hurricane season, meteorological authorities forecast increased storm frequency, citing heated marine conditions and likely enhanced seasonal rains around African coastal regions - where hurricanes frequently develop.