Season's 1st tropical storm forms in eastern Pacific

Season's 1st tropical storm forms in eastern Pacific

Tropical Storm Bud was building toward hurricane strength in the Pacific Ocean west of Mexico on Sunday even as former Hurricane Aletta was fading.

The U.S. National Hurricane Center said Bud had maximum sustained winds of 65 miles per hour (100 kph) Sunday morning.

Both storms could cause high surf, rip currents, rainbands and possibly flash flooding to occur. It was centered about 300 miles (485 kilometers) south of Manzanillo, Mexico, and was moving northwest at 9 mph (15 kph).

"The hurricane has less than a day to strengthen before the environment becomes less hospitable, with a notable increase in shear and decrease in water temperatures forecast this weekend", the National Hurricane Center said.

When Tropical Depression Three-E becomes a tropical storm, it will earn the name Bud.

"All residents and interests in this area should continue to closely monitor the progress of this evolving system". It is now rapidly weakening.

With the formation of Aletta, the hurricane season in the Eastern Pacific basin is off to an early start. The first eastern Pacific hurricane forms on June 26 on average. It's happened seven other times since 1970, according to NOAA's historical hurricanes database. Out in the Pacific, there are two tropical storms we're watching.

Jonathan Erdman is a senior meteorologist at weather.com and has been an incurable weather geek since a tornado narrowly missed his childhood home in Wisconsin at age 7.

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