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Cyclone Melissa is forecast to escalate to a infrequent Category 5 cyclone as it veers towards Jamaica, causing deadly flash flooding and mudslides.

The cyclone, which registered wind speeds of up to 120 miles per hour as of 6:00 AM GMT, is now shifting northwest in the Caribbean region and is anticipated to hit the coast by Tuesday, based on data from hurricane specialists.

Alerts of blackouts and structural damage have been released as the hurricane brings up to 76cm of rainfall and sea level surges as high as thirteen feet above normal levels. "Take cover without delay," residents have been told.

The cyclone is the 13th storm in the ongoing Atlantic hurricane season, which typically ends in late autumn.

Most Intense Hurricane Threat

A category five hurricane is the most intense classification, with wind speeds of at least 252 km/h.

While this storm is projected to weaken to a Category 4 storm before making landfall on the island, meteorologists said there was "very little practical difference in the overall impacts" upon reaching the coast, and that the storm will be "equally strong" when it impacts the country.

Immediate Readiness Measures

With tropical storm-strength gusts and precipitation predicted to begin well before it passes over Jamaica's central region - including potentially the capital, Kingston - alerts indicate that "readiness efforts must be accelerated".

"A multi-day period of damaging winds and torrential rain are underway and will cause catastrophic and life-threatening rapid water accumulation and numerous rock slides," counseled weather authorities.

The nation's leader Andrew Holness stated: "I realize that there are many Jamaicans who are worried, who are deeply troubled, and with good reason: concern is justified.

"However the optimal approach to manage nervousness and any nervousness and worry is to stay ready."

Inhabitants are being advised to protect their properties with sandbags and plywood sheets, and to accumulate necessary supplies.

Broader Consequences

Warnings are also active for parts of Haiti encompassing the capital, Port au Prince, the Dominican Republic and eastern Cuba, where the hurricane is projected to bring analogous consequences by the middle of next week.

Landslides presently generated by the cyclone have caused two deaths in the country, according to the nation's Civil Protection agency.

Projected Trajectory

The hurricane is forecast to pass over the island nation by midweek before moving through the Greater Antilles and entering the Atlantic Ocean.

By the point it makes contact with Cuba, it is anticipated to have diminished to a third-level storm.

Climate Context

Although it is hard to connect specific storms to climate change, scientists say it is making meteorological events more prevalent and more intense.

Increased sea temperatures produce greater water vapor in the atmosphere, helping fuel the development of tropical cyclones.

Prior to the start of this season's Atlantic hurricane season, weather organizations forecast higher-than-average occurrence, mentioning heated marine conditions and likely stronger monsoon activity around the western African continent - where tropical systems typically originate.