It also marks the first time in 20 years that three or more Category 5 hurricanes have developed over the Atlantic Basin in one season. The last time was in 2005, when Hurricanes Emily, Katrina, Rita, and Wilma all reached Category 5—breaking a record.

Rainfall. Melissa is expected to bring an additional 4 to 8 inches across Jamaica, where storm total amounts will be between 12 to 24 inches. Isolated areas near 30 inches will be possible over mountainous terrain. Ongoing catastrophic flash flooding and numerous landslides will continue through Tuesday night.

Jamaica residents were warned Monday to "seek shelter now," as Melissa, a strong Category 5 hurricane, neared landfall on the Caribbean island nation.

Up to 40 inches of rain, 13 feet of storm surge and 160 mph sustained winds will cause “extensive infrastructure damage” that will cut off communities, the National Hurricane Center warned. Melissa has already killed three people in Haiti and Jamaica each and one person in the Dominican Republic.