Invest 91L fizzles on approach to Caribbean as Atlantic becomes eerily quiet ahead of hurricane season's peak
We're now entering the statistical peak of the 2025 Atlantic hurricane season, which runs from June 1 through Nov. 30.
Invest 91L dissipates but tropical activity expected to pick back up in Atlantic
The tropical Atlantic basin is quiet for now after Invest 91L dissipated over the weekend, but as FOX weather Meteorologist Haley Meier reports, activity could soon pick back up.
MIAMI – The odds of a tropical disturbance organizing into our next named storm of the 2025 Atlantic hurricane season have dwindled after Invest 91L fizzled out as it approached the Lesser Antilles over the weekend.
The FOX Forecast Center has been keeping a close eye on Invest 91L, which has been swirling in the tropical Atlantic for several days, after computer forecast models had shown favorable conditions to strengthen for much of the week. The National Hurricane Center (NHC) at one point had given a 90% probability the system would eventually reach at least a tropical depression.
This graphic provides an overview of the tropical Atlantic Basin on Sunday, Sept. 7, 2025.
(FOX Weather)
But those trends quickly diminished after the system encountered drier air and wind shear, knocking the system's odds for development into the low category.
The NHC said in its early Friday afternoon update that Invest 91L was in an area where environmental conditions would likely cap its development. By Saturday, forecasters confirmed the potential for further development was unlikely.
By Sunday morning, Invest 91L was no more, and the tropical Atlantic Basin became quiet once again.
However, tens of millions of people along the coast from Texas to Maine shouldn't let their guards down just because no tropical weather is expected over the next seven days.
We're now entering the statistical peak of the 2025 Atlantic hurricane season, which runs from June 1 through Nov. 30.