High-Impact Weather and Climate Events

High-impact events cause the majority of societal costs related to weather and climate. They provoke societal responses that can either enhance or detract from long-term adaptation to climate risk. In 2015, WWA began a new research focus on extremes that is designed to place high-impact events in the context of historical climate variability and projected climate change, assess how the risk of these events varies over time and space, and examine how high-impact events interact with place-based vulnerability.

The first activities in this new research theme have been to build a database of 160+ historical high-impact weather and climate events in the three-state region, and to generate a complementary set of regional event maps showing how risk varies seasonally across the region for different types of weather and climate events.

All CPI-Adjusted Damage costs are 2022 values, calculated from: https://www.usinflationcalculator.com/. CPI-Adjusted Damage costs are unavailable before the year 1913.

Note: The High-Impact Events Database is currently being updated with more features. Stay tuned.

Filter between two years
State County City Date Event Type Deaths CPI Adjusted Unadjusted Summary Links
Colorado Garfield Glenwood Springs August 10, 2020 Wildfire
Colorado Mesa Grand Junction July 31, 2020 Wildfire $38,398,900.00 $34,000,000.00
Colorado, Utah, Wyoming June 06, 2020 High Wind
Colorado, Utah May 19, 2020 Drought
Utah Emery Green River May 11, 2020 Flood 2
Wyoming Carbon Arlington October 19, 2019 Winter Storm, High Wind 1
Colorado Kit Carson Bethune August 13, 2019 Hail
Colorado, Wyoming March 13, 2019 Winter Storm, High Wind, Flood 4 $4,573,250,000.00 $4,000,000,000.00
Colorado Pitkin March 09, 2019 Avalanche
Wyoming Lincoln, Sublette September 15, 2018 Wildfire
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