Though the full effects of Tropical Storm Melissa have yet to be felt in the Caribbean, Haiti’s disaster office said Friday three people have already died and another was injured in a landslide attributed to the storm’s heavy rains.

Tropical Storm Melissa was nearly stationary in the central Caribbean on Friday, with forecasters warning it could soon strengthen and brush past Jamaica as a powerful hurricane while unleashing catastrophic flash flooding and landslides in southern Haiti.

Tropical Storm Melissa is forecast to grow into a major Category 4 hurricane as it threatens Jamaica and then Cuba, but its effects on Florida remain uncertain, according to the National Hurricane

Tropical Storm Melissa is expected to bring days of heavy rain to the Dominican Republic, Haiti and Jamaica and may trigger life-threatening flash flooding, the National Hurricane Center says.

The country is staring down what could become a catastrophic, days-long assault as Melissa strengthens over some of the hottest ocean water on the planet.