Tropical Storm Andrea: First storm of 2025 Atlantic hurricane season weakens to post-tropical cyclone

Tropical Storm Andrea, the first named storm of the 2025 Atlantic hurricane season, formed Tuesday in the central Atlantic Ocean, according to the National Hurricane Center (NHC). By Tuesday evening, it had been downgraded to a remnant low. 

What we know:

As of 11 p.m., the storm was located about 985 miles west of the Azores, with maximum sustained winds of 35 mph and moving east-northeast at 20 mph.

The NHC reported a minimum central pressure of 1015 millibars.

"Little change in strength is expected today," the NHC said in its advisory. "Weakening is expected to begin tonight, with Andrea dissipating by Wednesday night."

Tropical Storm Andrea forms

The backstory:

Although the 2025 Atlantic hurricane season has been quiet in its first three weeks, the NHC is now monitoring a tropical storm, Andrea, in the central subtropical Atlantic. 

Andrea originally showed signs of increased organization on Monday, and by early Tuesday morning, the system's chance of development decreased significantly.

What's next:

NHC officials say the system will continue to weaken and will not threaten any land areas.

How long is the Atlantic hurricane season? 

Timeline:

The Atlantic hurricane season runs from June 1 through Nov. 30. However, the peak of hurricane season is typically August to September.

Hurricane season predictions: Above average

Dig deeper:

Forecasters at Colorado State University and NOAA both expected to have an above-average season. That comes down to the number of expected named storms, hurricanes and major hurricanes compared to an average season.

How many storms do we see in an average season?

  • 14 named storms
  • 9 hurricanes
  • 4 major hurricanes

2025 Atlantic Hurricane Season list, noting formation of Andrea.

CSU's 2025 hurricane season prediction

  • 17 named storms
  • 9 hurricanes
  • 4 major hurricanes

National Oceanic and Atmospheric Administration:

  • 13-19 named storms
  • 6-10 hurricanes
  • 3-5 major hurricanes

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The Source: This story was written based on information from the Colorado State University's and National Oceanic and Atmospheric Administration's 2025 hurricane season predictions, the National Hurricane Center, the National Weather Service, and FOX 35's Storm Team.

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