Tropical Storm Nadine formed in the northwestern Caribbean Sea near Belize late Friday local time, becoming the 14th named storm of this year’s Atlantic hurricane season. It is expected to make landfall in Belize on Saturday.

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Nadine is expected to be a short-lived storm, but forecasters warned of heavy rain as it moves inland on Saturday.

The governments of Mexico and Belize issued tropical storm warnings on Friday, saying that dangerous conditions were expected within the next day. Belize’s warning stretched from Belize City to the Mexican border. In Mexico, the warning was active from Tulum to the border with Belize and included Cozumel.

Four to eight inches of rain was expected over the next few days across the northern areas of Belize and Guatemala and a part of southern Mexico, forecasters said. Some isolated places could see more than a foot of rain.

Forecasters had predicted a hyperactive hurricane season this year in the Atlantic, but an extended lull kept things quiet for much of the first half. Since Sept. 9, however, there have been several other named storms — six of them hurricanes. Some, like Kirk and Leslie, remained far out at sea, but three made landfall in the United States.

First, Francine moved inland over Louisiana as a Category 2 storm. Then Hurricane Helene came ashore in Florida’s Big Bend region at the end of September and brought devastating rains to the Appalachian region as it moved through the Southeast. Two weeks later, Hurricane Milton pushed across Florida as the fifth hurricane to make landfall along the Gulf Coast this year.

John Yoon contributed reporting.