Nadine is not a threat to the US. As the storm moves inland, it is expected to weaken and likely dissipate over southeastern Mexico early Sunday, the center said.

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Tropical Storm Nadine tracker

This forecast track shows the most likely path from the center of the storm. It does not illustrate the full width of the storm or its effects, and the center of the storm is likely to move outside the cone up to 33% of the time.

Tropical Storm Nadine spaghetti models

Illustrations cover a range of forecasting tools and models, and they are not all the same. The hurricane center uses only the four or five best-performing models to help make its forecasts.

NHC Monitoring System 94L in the Caribbean

The National Hurricane Center is also monitoring another system in the Atlantic Ocean, called AL 94 or Invest 94L, which is producing showers and thunderstorms less than 100 miles east of the Turks and Caicos Islands. The system is moving westward at a speed of 10 to 15 mph and is expected to pass north of Hispaniola today and move near the Turks and Caicos Islands, the southeastern Bahamas and far eastern Cuba on Sunday. Forecasters say the system is “becoming better organized.” and is expected to develop into a tropical depression or tropical storm on Saturday and tropical storm warnings will likely be issued for those islands, as well as southeastern Bahamas and eastern Cuba. The chance of formation over the next seven days is estimated at 90%, the center said Saturday.