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Karen Clark & Co. updates convective storm model with roof-value option

The Version 5.0 model adds user-entered roof replacement value and includes credits and debits for roof age, alongside estimates for tornado and wind intensity impacts on the U.S. Southeast coast.

Reported · Written up by our desk · Property Insurance

Karen Clark & Co. has released Version 5.0 of its severe convective storm model, adding a new option that lets users enter roof replacement value instead of relying on a fixed percentage of total building value, according to a news release dated Oct. 6.

The update also builds in roof age credits and debits, and it focuses on estimating potential impacts from severe tornado outbreaks, including tornado and straight-line wind intensities on the Southeast U.S. coast.

The firm said the model is designed to assess impacts on large commercial and industrial facilities, including hyperscale data centers, and it emphasizes using high-resolution, artificial intelligence atmospheric modeling to represent the physical processes behind hail, tornado and straight-line wind losses.

Karen Clark noted that some storm models lean heavily on historical data that can become outdated, and it described the convective storm modeling as separate from its hurricane modeling, with its U.S. latest hurricane model Version 5.0 released last year.

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