Satellite image of Tropical Storm Mario on Sept. 12, 2025, courtesy of NESDIS Satellite Services Division (NOAA)

Tropical Storm Mario forms off Mexico’s Pacific coast

World

MIAMI (AP) — Tropical Storm Mario formed Friday off the Pacific coast of Mexico and was expected to bring wind, rain and possible flash flooding, forecasters said.

Mario was described as "mini" in the National Hurricane Center's morning advisory, but the storm packed maximum sustained winds of 40 mph (64 kph).

A tropical storm watch was in effect for parts of the Michoacan state. It spanned from Lazaro Cardenas to Punta San Telmo.

The Miami-based weather service said Mario was centered about 40 miles (64 kilometers) south-southwest of Zihuatanejo, Mexico, and about 60 miles (97 kilometers) south-southeast of Lazaro Cardenas.

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Tropical Storm Mario forms off Mexico’s Pacific coast first appeared on the PBS News website.

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