Each year in the U.S., severe thunderstorms can cause several billion dollars in property damage. Hail is the main driver of loss and hail damage is determined by several factors, including hail size and density, wind speeds, and the specific characteristics of individual structures.

This year’s comprehensive model update to the U.S. severe thunderstorm model includes significant enhancements that improve our ability to realistically capture losses from hail, as well as from tornadoes and straight-line winds.

Learn more about our updated model

Reassessing Severe Thunderstorm Hazard

Forming a comprehensive picture of severe thunderstorm hazard is challenging because of their small scale, the population bias of existing severe storm reports, and differences and limitations in reanalysis products, not to mention the impacts of a changing climate. The updated model uses detrended storm reports and radar data to capture a near-present view of the frequency, duration, and severity of outbreaks across the U.S.

Learn how we are using new data and technologies to reassess hazard

Better Assess U.S. Hail Risk with Our Innovative Vulnerability Framework

Our first-of-its-kind hail vulnerability framework explicitly considers the damageability of individual characteristics, such as roof covering and wall siding, to get a better sense of how hail impacts the structure as a whole.  The enhancement is part of a larger vulnerability update to the Verisk Severe Thunderstorm Model for the United States. Other changes include updated damage functions across all supported traditional and specialty risks for building, contents, and business interruption/time element coverages. The model also significantly expands on the supported risk types by modeling the damageability of marine lines and infrastructure assets.

Learn more about our updated vulnerability framework

Managing U.S. Severe Thunderstorm Risk—Proactively and in Real Time

Verisk’s updated U.S. severe thunderstorm model allows you to more accurately capture severe thunderstorm risk in the United States. In Touchstone® you can analyze results for each sub-peril individually, as well as for all three sub-perils combined.

Learn more about our software offerings

For events developing in real time, our ALERT™ service has been enhanced to offer Verisk Weather Solutions Respond footprints to help understand the impacts from significant severe thunderstorms. Respond® hail, straight-line wind, and tornado footprints can be used to identify where to deploy claims adjusters, calculate accumulations of risk, and estimate the magnitude of potential losses.

Learn more about Respond



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