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Commercial severe storms, 2025 losses highlight inland marine gap
Severe convective storms drove 21 of 23 billion-dollar weather disasters in 2025, and the average five-year damage cost rose to $40.9 billion from $22.5 billion a decade earlier, according to Insurance Journal.
Hurricanes and wildfires can dominate headlines, but severe convective storms are consistently among the most frequent and costly weather threats to businesses, Insurance Journal notes.
The outlet points to 2025 data showing 23 total billion-dollar disasters, with 21 driven by severe storms. It also cites a rising trend in damage costs, saying the average five-year damage cost was $40.9 billion, compared with $22.5 billion 10 years earlier, adjusted for inflation.
Insurance Journal says many commercial property owners are concerned about severe weather, with Nationwide research indicating two-thirds are highly concerned. Despite that awareness, the publication argues that storm planning discussions often concentrate on the permanent structure and underappreciate exposures that shift outside the four walls.
The article highlights inland marine coverage as a key part of resilience planning, especially for businesses that rely on property that is transported, stored temporarily, or housed off-site. It adds that inland marine mapping can help surface vulnerabilities tied to equipment, materials in transit, installation projects, and builders risk property stored temporarily, which may be more exposed to hail, wind, flooding, and flying debris during a storm.