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A falling tree and generator fumes killed Isaias's two Florida victims
Hurricane Isaias killed four people and cut power to at least 600,000 after reaching Florida with 105 mph winds. Its downgrade to a post-tropical cyclone leaves the flood threat in place, with NOAA warning of up to 10 inches of rain in Georgia and the Carolinas.
The Scientist · Science desk

What happened
- Alabama, Florida and Georgia declared states of emergency before the storm arrived, and Florida and Alabama ordered thousands of people to evacuate.
- Both Florida deaths were in Escambia County, where Sheriff Chip Simmons said a woman died after a tree fell on her house.
- The second Escambia death was a man poisoned by carbon monoxide from a generator run in a poorly ventilated garage, and four others from the house went to hospital.
- A sheriff in Alabama was injured when a tree fell on him as he responded to a car crash.
- Florida National Guard soldiers swam to a truck stuck in a flood ditch and pulled its occupants out, one of several rescues from submerged vehicles.
Why it matters
- constraint Any comparison of Isaias's harm with its wind strength stays provisional until Alabama describes how its two victims died, because those cases are half the toll.
- exposure Households running generators in garages or other closed spaces remain at risk of carbon monoxide poisoning after the wind drops, for as long as they depend on them.
- exposure Night driving is the risk Charleston singled out, asking people to stay home ahead of a 7.5ft tide because floodwater depth cannot be judged from behind the wheel.
- decision Alabama residents with weekend travel plans now have to weigh trips against the spinoff tornadoes Governor Kay Ivey said officials were worried about.
Four deaths is a small denominator. Officials have described how only two of those people died, and both were the Escambia County cases [19].
Joey Williams gave NewsNation a first-hand account of a death caused by a falling tree. He said he and his wife had gone outside to photograph the sky and the storm damage, and that after they went back in, a tree fell through the roof and trapped them [5]. "I was able to squeeze out. My wife didn't make it," he said [6].
The other half of the toll is in Alabama. "Unfortunately, we have also learned that two Alabamians have lost their lives," Governor Kay Ivey said in a post on X, without giving details of the circumstances [13]. The BBC's summary says the deaths included people killed when trees fell on their houses [3]. The only such case it describes is in Florida [4].
On the reported record, falling trees account for at least one of the four deaths, or 25 percent, and carbon monoxide from a generator for one more [20]. That is too few cases to say trees did most of the killing. We'd expect the final tally to lean toward falling trees and the hazards that follow a storm, over injuries from the wind itself. Those are the only causes any official has described so far. The expectation holds only if Alabama's two cases fit the same pattern [19].
The outage figure is a Saturday-afternoon snapshot from poweroutage.us, spread across several states [2]. The report does not say how many customers those utilities serve, so the share of the grid that failed cannot be worked out from it. The generator death is the one place where the outage and the death toll may connect. That link is our inference from how people use generators when the power goes; the sheriff's reported account covers only the generator and the unventilated garage [12].
After the downgrade, Florida's warnings turned to water. Governor Ron DeSantis said flooding remained a risk and warned of a "very hazardous situation" [7]. The storm is expected to keep weakening as it travels north-east [10].
Isaias was the first hurricane of an Atlantic season that the BBC says was largely delayed by El Nino conditions in the Pacific [17].
What to watch
- Alabama officials releasing the circumstances of the state's two deaths, which would settle whether falling trees account for most of the toll.
- Outage counts over the following days, and whether more carbon monoxide cases tied to generator use are reported.
- Rainfall totals in Georgia and the Carolinas measured against NOAA's warning, and what Charleston's Saturday night high tide does to its streets.
Clarity's read
What the record supports and how the coverage leans. The claims behind it follow.
Reality
- Evidence62
- Adoption
- Insufficient
- Hype gap+5
- Incentives
- Insufficient
- Confidence60
Claim ledger
Ranked by verification strength, evidence, and original report placement.
- [1]
Four people died after Hurricane Isaias battered parts of the southern US with powerful winds and heavy rain.
- [2]
At least 600,000 people were without power in several states as of Saturday afternoon, according to poweroutage.us.
ReportedSupportedSource: BBC, citing poweroutage.us2 sources— create a free account to open themView cited source - [3]
Officials reported two deaths each in Alabama and Florida, which included people who were killed after trees fell on their houses.
ReportedSupportedSource: BBC, citing officials2 sources— create a free account to open themView cited source - [4]
Two deaths were reported in Florida's Escambia County. A woman died after a tree fell on her house, Sheriff Chip Simmons said.
ReportedSupportedSource: Escambia County Sheriff Chip Simmons, via BBC2 sources— create a free account to open themView cited source - [5]
Joey Williams told NewsNation his wife died in the storm. He said they went outside to photograph the sky and the damage, and when they went back into their home a tree fell through the roof, trapping them.
ReportedSupportedSource: Joey Williams to NewsNation, via BBC2 sources— create a free account to open themView cited source - [6]
"I was able to squeeze out. My wife didn't make it,"
ReportedSupportedSource: Joey Williams to NewsNation, via BBC2 sources— create a free account to open themView cited source - [7]
Florida Governor Ron DeSantis said flooding was a continued risk and warned of a "very hazardous situation".
ReportedSupportedSource: Florida Governor Ron DeSantis, via BBC2 sources— create a free account to open themView cited source - [8]
Officials rescued people in vehicles submerged by flood waters; the Florida National Guard said on X that soldiers "stopped, swam to the vehicle and pulled its occupants to safety" from a truck stuck in a flood ditch.
ReportedSupportedSource: Florida National Guard, via BBC2 sources— create a free account to open themView cited source - [9]
Ivey said officials were concerned about "spinoff tornadoes" in Alabama and said: "As we approach the weekend and any travel plans, make sure you have reliable information as conditions develop."
ReportedSupportedSource: Alabama Governor Kay Ivey, via BBC2 sources— create a free account to open themView cited source - [10]
The storm is expected to continue to weaken as it travels to the north-east.
- [11]
NOAA warned the Carolinas and Georgia could see floods from up to 10 inches of rainfall.
ReportedSupportedSource: NOAA, via BBC2 sources— create a free account to open themView cited source - [12]
Simmons later reported that a man died from carbon monoxide poisoning after running a generator in a garage that was not properly ventilated. Four other people in the same house were taken to hospital.
- [13]
"Unfortunately, we have also learned that two Alabamians have lost their lives," Governor Kay Ivey said in a post on X, without giving further details on the circumstances of the deaths.
- [14]
In Alabama, a sheriff was injured when a tree fell on him as he was responding to a car crash.
- [15]
Charleston, South Carolina, asked people to stay home on Saturday night with high tide expected to reach 7.5ft, saying: "After dark, floodwater is much harder to see, and it's impossible to judge how deep it is from behind the wheel."
- [16]
Alabama, Florida and Georgia declared states of emergency ahead of the storm's arrival, and Florida and Alabama issued mandatory evacuation orders to thousands of people.
- [17]
Isaias was the first hurricane of the Atlantic hurricane season, which has largely been delayed due to El Nino conditions in the Pacific.
- [18]
Isaias made landfall in Florida late Friday with maximum sustained winds of 105 mph before being downgraded to a post-tropical cyclone.
- [19]
Of the four reported deaths, officials have described the cause of two, both in Florida's Escambia County (one falling tree, one carbon monoxide poisoning); Alabama's two deaths have no stated cause.
- [20]
In the reported record, falling trees account for at least one of the four deaths (25 percent) and generator carbon monoxide for one more.
Sources
2 independent publishers whose own reporting we read for this story.
- bbc.co.ukFour dead and thousands without power after Hurricane Isaias lashes US
1 article · October 10, 2026
- scmp.comIsaias kills 4 in US, leaves 670,000 without power
1 article · October 10, 2026
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Topics
- Atlantic hurricane seasonFollow
- Carbon monoxide poisoningFollow
- Power outagesFollow
- Disaster emergency responseFollow