Tropical Storm Nadine, if it forms, will "fizzle out slowly" as it treks across Belize, Hoegg said. Most spaghetti models—or computer models illustrating potential storm paths—anticipate that the storm won't grow stronger than a Category 1 hurricane, if it even reaches hurricane strength.

As PTC 15 tracks over the warm waters of the Caribbean, it will strengthen into Tropical Storm Nadine before making landfall in Belize. Once over land, the system will weaken and dissipate. Tropical storm watches stretch across the eastern coastline of the Yucatan peninsula and Belize. This system will not impact the United States.