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Cyclone Melissa is forecast to strengthen into a infrequent highest-level cyclone as it turns towards Jamaica, delivering life-threatening flash flooding and mudslides.

This weather system, which registered winds of up to 195 km/h as of 06:00 GMT, is currently turning north-west in the Caribbean Sea and is projected to reach land by Tuesday, based on data from meteorological authorities.

Warnings of blackouts and disruption to utilities have been issued as Melissa brings up to 30 inches of precipitation and sea level surges as high as 13ft above normal levels. "Take cover without delay," residents have been told.

The cyclone is the 13th storm in this year's Atlantic hurricane season, which normally finishes in the eleventh month.

Highest-Level Cyclone Risk

A category five cyclone is the strongest type, with sustained winds of at least 252 km/h.

Although Melissa is expected to diminish in strength to a fourth-level hurricane before making landfall on the island, meteorologists said there was "minimal real distinction in the total effects" upon making contact with land, and that the hurricane will be "just as powerful" when it impacts the island.

Immediate Readiness Measures

With tropical storm-level winds and rain anticipated well in advance long before it moves across Jamaica's central region - including potentially the capital, Kingston - advisories indicate that "safety measures need to be finalized quickly".

"An extended timeframe of harmful winds and heavy rainfall have begun and will cause devastating and dangerous rapid water accumulation and many rock slides," urged meteorological officials.

The nation's leader the statesman said: "I realize that there are countless citizens who are worried, who are very concerned, and with good reason: you should be concerned.

"But the most effective method to handle worry and any apprehension and concern is to stay ready."

Inhabitants are being told to secure their homes with protective bags and plywood sheets, and to gather necessary supplies.

Broader Consequences

Alerts are also active for parts of Haiti including the primary urban center, the Dominican Republic and the eastern part of Cuba, where Melissa is anticipated to bring similar effects by the middle of next week.

Mudslides currently triggered by the storm have caused two deaths in Haiti, according to the nation's Civil Protection agency.

Future Course

The hurricane is projected to move across Cuba by the middle of the week before passing across the Caribbean archipelago and out into the Atlantic Ocean.

By the moment it reaches the Caribbean nation, it is predicted to have reduced to a category three hurricane.

Climate Background

Although it is challenging to associate specific storms to environmental shifts, experts say it is making climate patterns more common and more extreme.

Higher ocean heat generate more moisture in the environment, contributing to the creation of tropical cyclones.

Prior to the beginning of this season's Atlantic storm period, weather organizations projected increased storm frequency, mentioning warmer seas and likely stronger monsoon activity around the western African continent - where Atlantic storms frequently develop.