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Tropical Storm Erick becomes hurricane as it approaches Hawaii, but it may weaken

Tropical-storm-force wind probabilities for Hurricane Erick on July 29. 2019. National Hurricane Center

Tropical Storm Erick has grown into a hurricane with winds of up to 75 miles per hour as it approaches Hawaii, but it is expected to begin weakening later in the week, the National Hurricane Center (NHC) said Monday.

The latest advisory from the U.S. National Hurricane Center put Erick‘s center at about 1,200 miles (1,945 km) east-southeast of Hawaii’s Big Island, the easternmost edge of the U.S. archipelago state, still too far away to pose any threat to land.

WATCH: July 14 — Storm Barry hammers Louisiana with rain and flooding

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Storm Barry hammers Louisiana with rain and flooding

Packing maximum sustained winds near 70 miles per hour (110 kph), Erick was poised to reach hurricane strength imminently, and could grow by Tuesday into a major hurricane, defined as a Category 3 on the five-step Saffir-Simpson wind scale, according to the latest forecast.

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Erick would be the third hurricane in the eastern Pacific this season.

READ MORE: Barry hammers the Gulf Coast with rains and flooding, New Orleans is spared the worst

“A weakening trend is expected to begin later in the week,” the hurricane center advisory said.

A tropical storm becomes classified as a Category 1 hurricane when its top sustained winds reach 74 mph (119 kph). Sustained wind speeds of at least 111 mph (178 kph) make it a Category 3.

WATCH: July 13 — Hurricane Barry barrels down on Louisiana

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Hurricane Barry barrels down on Louisiana

The weather system is expected to weaken back into a tropical storm by the time it makes its closest approach to Hawaii, with Erick forecast to skirt south of the Big Island on Friday morning. Forecasts call for a higher chance of gale-force winds from the storm on the Big Island later this week.

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Another tropical storm, dubbed Flossie, was trailing Erick farther out in the eastern Pacific.

READ MORE: ‘Don’t let your guard down’ — Louisiana governor warns residents as tropical storm Barry hits

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