Life-threatening and catastrophic flash flooding and landslides are expected in portions of Jamaica and southern Hispaniola on Tuesday.

Intense rains that stalled over Central Florida unleashed nearly 20 inches (508 millimeters) of rain in 24 hours, triggering dangerous flash floods that stranded cars and inundated roadways, leaving some closed to traffic into Monday.

The NEXT Weather Team is tracking Hurricane Melissa as it spins through the Caribbean this weekend. Melissa intensified Saturday afternoon into a Category 1 hurricane. It will continue to strengthen before making landfall as a Major Category 4 hurricane in Jamaica on Tuesday.

Fabian Campbell, a track runner from Jamaica, remains in touch with his family as they prepare for a hurricane while he competes in Florida.

The USS Nimitz is returning to its home port in Naval Base Kitsap in Washington state after having been deployed to the Middle East for most of the summer as part of the U.S. response to attacks by Yemen’s Houthi rebels on commercial shipping. The carrier is on its final deployment before decommissioning.

The amount of rain that fell over the weekend is not expected to be repeated; however, any additional rain over saturated Broward County could result in flooding.