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The U.S. Winter Storm Model is a fully probabilistic risk model that allows clients to run portfolio-level analyses for residential, commercial and industrial risk related to winter storms in the U.S.
The U.S. Winter Storm Model users a stochastic event set of more than 11,500 event. This event set includes an extensive catalog of winter storm historical events from different sources, such as the Solar Meteorological Surface Observation Network and hourly stations, Historical Climatology Network (HCN) and COOP stations.
The vulnerability functions for the different structural occupancy types are based on extensive claims data collected from the reinsurance industry and observation data.
Three hazard parameters are incorporated in the model:
Three damage types are represented in the U.S. Winter Storm Model:
Roof damage due to snow accumulation:
Frozen and ruptured pipes lead to potential damage in:
Ice formation on roofs and in gutters can prevent melting snow from draining. When temperatures drop, melted snow can re-freeze on eaves and create ice dams or icicles, which can block water and cause the water to seep into the home, resulting in damage.
The Winter Storm Model has been validated using historical PCS data and insurance companies’ historical claims data. It has also been favorably reviewed by Wayne Tobiasson, who has more than 30 years of research with Cold Region Research and Engineering Lab.
Better Residential and Commercial Values and Risk Assessment
Hazard Risk Management from Point to Portfolio™
Roof Intelligence That Won’t Leave You Guessing
Faster Decisions with Better, More Accurate Weather Data