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Tropical Storm the storm is forecast to become a uncommon Category 5 cyclone as it veers toward Jamaica, delivering dangerous rapid inundation and mudslides.

This weather system, which recorded winds of up to 120 mph as of 06:00 GMT, is presently veering north-west in the Caribbean region and is expected to hit the coast by early next week, according to meteorological authorities.

Advisories of electricity outages and disruption to utilities have been announced as Melissa generates up to 30 inches of rainfall and storm surges as high as thirteen feet above ground. "Find safe refuge immediately," locals have been told.

Melissa is the thirteenth cyclone in the ongoing Atlantic hurricane season, which normally finishes in late autumn.

Category Five Cyclone Danger

A Category 5 storm is the most intense classification, with wind speeds of at least 252 km/h.

While Melissa is expected to diminish in strength to a category four cyclone before making landfall on Jamaica, meteorologists said there was "very little practical difference in the general consequences" upon landfall, and that the hurricane will be "at least that intensity" when it impacts the nation.

Critical Preparations

With storm-force gusts and precipitation already expected long before it passes over Jamaica's central region - including potentially the city of Kingston - advisories indicate that "safety measures need to be finalized quickly".

"An extended timeframe of damaging winds and heavy rainfall are underway and will cause catastrophic and life-threatening flash flooding and numerous landslides," urged climate experts.

The nation's leader the official commented: "I know that there are many Jamaicans who are worried, who are extremely apprehensive, and appropriately: concern is justified.

"Yet the best way to manage worry and any unease and anxiety is to remain prepared."

Locals are being told to secure their homes with sand barriers and wooden boards, and to gather basic necessities.

Broader Consequences

Warnings are also active for parts of the neighboring country including the capital, Port au Prince, the Dominican Republic and Cuba's eastern region, where Melissa is projected to bring comparable impacts by the midweek period.

Mudslides currently triggered by the storm have resulted in two fatalities in the country, according to the nation's Civil Protection agency.

Expected Course

This weather system is projected to move across Cuba by the middle of the week before moving through the Greater Antilles and emerging into the Atlantic.

By the point it arrives at Cuba, it is anticipated to have reduced to a Category 3 storm.

Environmental Background

Although it is challenging to associate individual weather events to climate change, scientists say it is resulting in meteorological events more common and more extreme.

Warmer oceans produce greater water vapor in the air, contributing to the formation of hurricanes.

Ahead of the commencement of this season's Atlantic hurricane season, weather organizations projected increased storm frequency, referencing heated marine conditions and possible enhanced seasonal rains around the western African continent - where hurricanes frequently develop.