In the United States, hailstorms have shifted from an occasional nuisance to one of the most costly weather hazards, inflicting tens of billions of dollars in damage each year. In 2024 alone, hail-related losses, mostly from roofs, cars, and buildings, outpaced the combined costs of hurricanes and floods, pushing annual costs toward roughly $40 billion. That’s a dramatic leap from about $1 billion just 15 years ago, driven by more people living in hail-prone regions, inflation, and possibly changing storm dynamics, tells Wired.com.
Roofing contractors and material scientists are seeing the effects firsthand. Large hailstones, sometimes 3 inches or more across, can punch through even durable metal roofs, leaving neighborhoods pockmarked like shotgun blasts. Homeowners are blindsided not just by the damage but also by rising deductibles and tougher insurance terms.
To better understand and prepare for these impacts, researchers and industry groups are pushing the boundaries of testing. Field scientists such as Becky Adams-Selin of the ICECHIP project collect real hailstones in Nebraska and across the central Plains, documenting hail up to 6 inches wide and studying how irregular shape and fall dynamics affect damage.
In controlled environments, companies such as Haag Global fire artificial ice balls at building materials to simulate high-speed hail impacts. Pneumatic cannons launch artificial hail at nearly 90 mph to see which roofing products bend, crack, or resist breakage. These tests help classify materials for insurance purposes and guide product design, though real hail often varies wildly from perfectly spherical test ice.
Despite improved materials and testing, extreme hailstones can still overwhelm even high-rated roofing products. Researchers are now exploring next steps, including drone-dropped 3D-printed hail to measure real fall speeds, to refine understanding of hail behavior and better protect buildings and infrastructure.
The bottom line: hail is no longer a fringe risk. Growing economic losses and unpredictable stone sizes make it a major meteorological and engineering challenge, one that communities, insurers, and scientists are only beginning to tackle.