Tropical Storm Humberto developed into a named storm with top wind speeds around 40mph , becoming the eighth named storm of the 2025 Atlantic hurricane season.

The storm is gaining organization and now moving west-northwest in the Atlantic Ocean some 700 miles northeast of Puerto Rico. Its direction is forecast to continue for several days.

The National Hurricane Center says the storm has a "favorable environment" to strengthen thanks to warm sea surface temperatures and moist air aloft. A period of wind shear may keep the storm from gaining strength over the next few days, but the NHC forecasts the storm will reach hurricane strength around Saturday evening.

Potential effects on the U.S. or on south Atlantic islands are not known at this time.

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