After months of uncharacteristic silence, the Atlantic hurricane season is poised for a shift as Tropical Storm Isaias gathers strength in the Gulf of Mexico.
The Atlantic has remained eerily still for months, defying the usual rhythm of a season that typically ignites in June. But as of Wednesday morning, that silence is breaking. Tropical Storm Isaias, currently churning 260 miles off the coast of Progreso, Mexico, is moving toward the U.S. Gulf Coast, with meteorologists projecting a trajectory that puts Mississippi, Alabama, and Florida in its path.
For residents along the coast, the focus now shifts to preparation. The storm, which currently carries winds of 45 miles per hour, is expected to intensify into a hurricane by Thursday. To meet that classification, the cyclone’s winds must reach at least 74 mph. Jennifer Tate. a meteorologist at the National Oceanic and Atmospheric Administration’s Weather Prediction Center. warns that even before the official designation changes. the storm poses real threats. Forecasts point to the potential for heavy rainfall, strong gusts, flash flooding, and dangerous storm surges.
If the storm reaches hurricane status. it will mark the latest-forming first hurricane in the Atlantic since the beginning of reliable record-keeping. The lack of activity until this late date has been linked to El Niño. During these cycles. unusually warm waters in the Pacific drive global weather patterns that create high vertical wind shear in the Atlantic—a phenomenon where wind speed or direction shifts with altitude. effectively tearing apart developing storms before they can organize.
“It is common during El Niño patterns for the Atlantic to be quieter in terms of hurricanes,” Tate says, noting that the trade-off is often heightened activity elsewhere. “Whereas the eastern Pacific, and the Pacific in general, is more active. And we have seen that this year.”
Indeed. the Pacific has already felt the impact of this shift. with hurricanes threatening Hawaii at an unusually high frequency this season. Meanwhile, the Atlantic, which usually reaches its peak intensity in September, has remained dormant until now. The arrival of Isaias brings an end to that reprieve, forcing communities across the Gulf to pivot toward readiness. Tate recommends that residents monitor forecasts closely. stock up on essential food and supplies in the event of power outages. and remain prepared to follow local evacuation orders should they be issued.
Tropical Storm Isaias hurricane season Gulf Coast weather NOAA El Niño storm preparation