Introduction

Ice thickness (and therefore weight) is a key engineering design consideration in the construction of many structures which are subject to outdoor weather, such as cables, towers, wires, etc. Detailed information for engineers regarding ice loads from freezing rain has been sorely lacking, due to a deficiency of site-specific data. Therefore, a consortium of individuals and government agencies undertook a project to produce a U.S. climatology of ice thickness due to freezing rain, in the form of an extreme value analysis. This 23-page report describes this effort, along with future plans for further development.

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