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Hurricane Aletta a Category 4 storm in Pacific off Mexico

10 June 2018

The storm formed weeks earlier before June 26, the average date of the first eastern Pacific hurricane.

In 2017, the basin saw 18 named storms, 9 of which become hurricanes, with 4 classified as major storms (category 3 or higher).

In order for a hurricane to qualify as a Category 4 storm, it would have to produce winds between 130 to 156 miles per hour, according to NASA, and Aletta seems determined to top that category.

Aletta is located about 500 miles west of Mexico's west coast and is moving even farther away from land over the Pacific Ocean.

Some outer rainbands could push ashore, at times, possibly triggering local flash flooding if they persist in any area for a few hours at a time.

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Eventually, Bud could help trigger a surge of moisture in the Desert Southwest where an increase in showers and storms may occur late in the week or next weekend. Aletta should strengthen over the next couple days before weakening back to a tropical storm midday Sunday and a tropical depression midday Tuesday.

Infrared satellite imagery now shows that Aletta continues to lose organization and has become less symmetric.

The east Pacific hurricane season, which starts on May 15 each year, has its first official hurricane. It was upgraded to a Category 3 storm on Friday.

While it may seem odd for the Pacific's first storm to be so strong, Weather.com meteorologist Jonathan Erdman discovered it's not all that uncommon.

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Hurricane Aletta a Category 4 storm in Pacific off Mexico