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NHC Watches a 20% Chance System Off Cabo Verde Days After Isaias Hits the Gulf

2026-10-12 11:27 EDT · AI-compiled · Based on 6 online sources · 658 words · Views …

A disorganized low sits a few hundred miles west of Cabo Verde

The National Hurricane Center has tagged an elongated area of low pressure in the eastern tropical Atlantic, centered a few hundred miles west of the Cabo Verde Islands. It is producing a large but disorganized area of showers and thunderstorms that stretches from the islands southwestward into the eastern basin. Forecasters at WFLA, WESH, WPTV and Fox35 Orlando all carried the same advisory within hours of each other on Monday.

The official numbers: 20 percent for 48 hours, 20 percent for seven days

The center puts the odds of tropical cyclone formation at 20 percent through the next 48 hours and 20 percent through the next seven days. Both WESH and Tampa Free Press added the same caveat for readers in Florida: as of now, the system poses no threat to the United States.

Shear is expected to close the window by midweek

The NHC describes conditions as only marginally conducive for development over the next day or two, after which upper-level winds become too strong for any further organization. WJCL and WGNO both report that those winds turn unfavorable by the end of the week, and Fox35 Orlando cautions that it is too early to say whether the system develops at all.

Heavy rain reaches the islands whether or not it forms

Regardless of development, heavy rainfall is expected across portions of the Cabo Verde Islands over the next couple of days as the disturbance drifts slowly north to north-northwest. Briefings compiled by particle.news list heavy rain, localized flooding and hazardous seas as the chief near-term hazards.

Isaias made landfall near Destin with 105 mph winds

The disturbance arrives only days after Hurricane Isaias came ashore along the U.S. Gulf Coast. Isaias struck near Destin, Florida, Friday night as a Category 2 storm with maximum sustained winds of 105 miles per hour, roughly two hours before peak high tide. It was the first hurricane and the ninth named storm of the 2026 Atlantic season; as of September 30, all eight storms that had formed were tropical storms. NOAA data show it tied a record for the latest first hurricane of the modern era, set on October 8, 1905.

Four deaths and roughly 670,000 customers without power

The toll is already being counted. Reuters reported four deaths and about 670,000 customers without power across four states by midday Saturday. PowerOutage.us put the breakdown at 420,000 in Florida, 190,000 in Alabama, 43,000 in Georgia and 17,000 in Mississippi. Governor Ron DeSantis confirmed two deaths in Florida — one person in Escambia County killed when a tree fell on a home, another found dead in a garage where a generator was running — and repeated his warning against operating generators indoors. Storm surge reached about 5 feet, short of the 6 to 9 feet forecast if landfall had coincided with high tide.

The Gulf lost about 63 percent of its oil output

According to the Bureau of Safety and Environmental Assurance figures cited across outlets, roughly 63 percent of Gulf of Mexico oil production and 57 percent of natural gas production was shut in — about 1.3 million barrels a day — with 121 production platforms evacuated. Shell shut in Mars, Olympus, Ursa, Vito and Appomattox, while Chevron began shutdown procedures at four operated facilities. The Department of Energy authorized an emergency exchange of up to 4 million barrels of crude from the Strategic Petroleum Reserve. NOAA separately warned that the Carolinas and Georgia could see up to 10 inches of rain.

What forecasters watch next

Two questions decide the system's fate: whether it can organize before the upper-level winds strengthen, and how hard the rain falls on the Cabo Verde Islands. For a Gulf Coast still clearing fallen trees and restoring power, this is for now a low-probability feature on the other side of the Atlantic.

Sources

World