Tropical Storm Kay eyeing Mexico, southwestern U.S.

AccuWeather experts estimate Kay will become the ninth storm of the season to become a hurricane in the East Pacific.

Tropical storm strikes Mexican coast. Sunday's intensifying thunderstorms close and off the coast indicate the system's development.

National Hurricane Center: Kay is 325 miles southwest of Manzanillo, Mexico, and 490 miles south-southeast of Baja California. It was moving west-northwest at 10 mph with 80 mph winds.

Hurricane Monday, Kay gained strength along Mexico's southwest coast. AccuWeather Meteorologist Andrew Kienzle predicts Kay will become a hurricane Monday night or Tuesday morning.

AccuWeather experts estimate Kay will become the ninth storm of the season to become a hurricane in the East Pacific.

Heavy rain will continue in southern Mexico, but the Baja Peninsula is of more concern. The strongest rain is expected in the Baja Peninsula, particularly in the mountains.

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