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Cyclone the storm is forecast to escalate to a uncommon highest-level storm as it turns towards Jamaica, causing life-threatening sudden floods and landslides.

The hurricane, which had winds of up to 195 km/h as of 06:00 GMT, is currently turning toward the northwest in the Caribbean region and is expected to reach land by midweek, based on data from weather experts.

Warnings of electricity outages and structural damage have been issued as the hurricane brings up to thirty inches of precipitation and storm surges as high as thirteen feet above ground. "Seek shelter now," locals have been advised.

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

Highest-Level Storm Risk

A highest-level storm is the most intense classification, with sustained winds of at least 157mph.

Even though Melissa is expected to diminish in strength to a fourth-level storm before making landfall on Jamaica, authorities said there was "very little practical difference in the total effects" upon reaching the coast, and that the storm will be "at least that intensity" when it hits the nation.

Critical Safety Steps

With tropical storm-strength winds and rain already expected well before it passes over central Jamaica - possibly even the city of Kingston - advisories indicate that "safety measures need to be finalized quickly".

"A multi-day period of destructive gusts and intense precipitation are underway and will cause catastrophic and life-threatening rapid water accumulation and multiple landslides," urged climate experts.

Jamaican Prime Minister Andrew Holness stated: "I realize that there are many Jamaicans who are concerned, who are very concerned, and appropriately: concern is justified.

"Yet the best way to address nervousness and any apprehension and anxiety is to stay ready."

Residents are being instructed to secure their homes with sand barriers and plywood sheets, and to accumulate necessary supplies.

Broader Consequences

Warnings are also active for regions of the neighboring country including the main city, Port au Prince, the Dominican Republic and Cuba's eastern region, where this storm is expected to bring analogous consequences by the midweek period.

Rock slides already being caused by the storm have already killed two in Haiti, according to emergency services.

Future Course

The hurricane is projected to move across the island nation by midweek before moving through the Caribbean archipelago and emerging into the Atlantic.

By the point it arrives at Cuba, it is predicted to have diminished to a Category 3 cyclone.

Environmental Background

Even though it is hard to associate particular meteorological occurrences to climate change, researchers say it is making weather phenomena more prevalent and more intense.

Warmer oceans create greater water vapor in the environment, aiding in the formation of storms.

Ahead of the start of this year's Atlantic storm period, weather organizations projected higher-than-average occurrence, mentioning heated marine conditions and potential enhanced seasonal rains around the western African continent - where Atlantic storms often form.