Spaghetti models are keeping Tropical Storm Arthur north of Florida.

NOAA said it is monitoring Tropical Storm Douglas in the eastern Pacific Ocean as the storm churns near the U.S. West Coast.

Tropical Storm Amanda formed in the eastern Pacific Ocean on Wednesday, June 3. See where the storm is headed.

Meteorologist Domenica Davis looks at how meteorologists use spaghetti models to determine hurricane tracks.

Tropical Storm Melissa is expected to become a hurricane later this week. There remains significant uncertainty on Melissa's track and intensity. See latest spaghetti models for Tropical Storm Melsisa ...

Tropical Storm Lorenzo formed in the central Atlantic Oct. 13. Models vary on how strong Tropical Storm Lorenzo could get in the coming days. See latest spaghetti models on Tropical Storm Lorenzo. As ...

Melissa is forecast begin "rapid intensification" in about 24 hours. Melissa could become a major hurricane by the end of the weekend. Will Melissa threaten Florida? See the latest predictions.

Tropical Storm Cristina continues to spin in the Pacific Ocean. Here's the latest on where the storm is headed.

Tropical Storm Jerry is running into strong wind shear as it batters the Leeward Islands with heavy rain. The National Hurricane Center said Jerry is no longer predicted to become a hurricane. See ...