Deadly hurricane frequency surges by 300%, says Deep Sky
- June 23, 2025
- Posted by: Beth Musselwhite
- Category: Insurance
The frequency of deadly hurricane weather has surged by 300%, according to findings from Deep Sky Research.
In its latest report, Deep Sky, a Montreal-based carbon removal project developer, explores how climate change is increasing hurricane risks.
Its Hurricane Rainfall Model shows that intense hurricane rainfall, which used to occur once every 100 years, is now expected every 25 years. Additionally, the likelihood of smaller storms has doubled.
The report also highlights a 33% increase in the severity of extreme hurricane rainfall.
Deep Sky Research’s new machine learning model projects over $450 billion in hurricane-related losses over the next five years for Gulf and South Atlantic coast states, with Florida expected to face the highest losses, followed closely by Texas.
Gulf Coast states such as Texas, Louisiana, and Mississippi are expected to see the largest increases in rainfall, while Atlantic Coast states like North Carolina and South Carolina will experience smaller rises.
Storm surges are becoming more severe due to stronger hurricanes and rising sea levels, resulting in more intense flooding. For example, Miami is highly vulnerable to flash flooding, with an average of one hurricane per year expected to cause around 2.5 feet of flooding in Miami Beach.
Houston is especially at risk because of its exposure to severe storms and ongoing power grid issues.
Max Dugan-Knight, a Climate Data Scientist at Deep Sky, explained, “Deep Sky Research uses a risk assessment approach for predicting the impact of climate change.”
He added, “Just like those used by the insurance industry, a risk-first approach helps us quantify disasters before they happen. In the case of hurricanes, an increase in frequency and severity is being driven by record-breaking sea surface temperatures.”
“Many of the impacts of climate change are slow-moving, but some will be devastating in their rapid escalation. We will see the impacts of worsening hurricanes not in the next 50 years, but in the next 5. This will mean billions of dollars in damages, hundreds of thousands of homes destroyed, and many lives lost,” Deep Sky concluded.
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