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Cyclone the storm is predicted to escalate to a infrequent highest-level storm as it turns toward Jamaica, causing dangerous flash flooding and mudslides.

This weather system, which recorded winds of up to 120 mph as of 0600 Greenwich Mean Time, is presently veering toward the northwest in the Caribbean and is expected to reach land by early next week, based on data from meteorological authorities.

Advisories of power cuts and structural damage have been issued as this storm generates up to 30 inches of rain and sea level surges as high as 13ft above normal levels. "Find safe refuge immediately," locals have been advised.

The cyclone is the 13th hurricane in this year's Atlantic storm period, which typically ends in November.

Most Intense Cyclone Risk

A Category 5 storm is the most intense classification, with winds of at least 157mph.

Even though the hurricane is expected to diminish in strength to a fourth-level cyclone before arriving at the island, meteorologists said there was "minimal real distinction in the general consequences" upon reaching the coast, and that the storm will be "just as powerful" when it hits the country.

Immediate Readiness Measures

With tropical storm-level winds and rain already expected well before it crosses central Jamaica - including potentially the capital, Kingston - alerts emphasize that "readiness efforts must be accelerated".

"Several days of damaging winds and torrential rain has started and will cause devastating and dangerous sudden floods and numerous mudslides," urged weather authorities.

The nation's leader Andrew Holness commented: "I realize that there are many Jamaicans who are anxious, who are very concerned, and appropriately: concern is justified.

"However the optimal approach to manage anxiety and any unease and anxiety is to be prepared."

Locals are being instructed to secure their homes with protective bags and timber panels, and to stock up on basic necessities.

Broader Impact

Alerts are also in effect for parts of Haiti including the main city, Port au Prince, the adjacent nation and the eastern part of Cuba, where the hurricane is projected to bring comparable impacts by the midweek period.

Mudslides already being caused by the hurricane have resulted in two fatalities in Haiti, according to emergency services.

Projected Trajectory

The hurricane is projected to cross Cuba by the middle of the week before passing across the Antillas Mayores and emerging into the open ocean.

By the time it makes contact with the Caribbean nation, it is anticipated to have weakened to a third-level hurricane.

Weather Background

Even though it is difficult to connect individual weather events to climate change, experts say it is resulting in meteorological events more common and more extreme.

Higher ocean heat create additional humidity in the environment, aiding in the development of tropical cyclones.

Ahead of the beginning of the current Atlantic hurricane season, meteorological authorities predicted higher-than-average occurrence, mentioning elevated ocean temperatures and potential stronger monsoon activity around the western African continent - where tropical systems typically originate.