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.

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 Damage Unadjusted Damage Summary Links
Wyoming Statewide January 01, 2012 Drought
Utah Davis, Salt Lake, Weber Centerville, Salt Lake City December 01, 2011 High Wind $68,000,000
Wyoming Laramie Cheyenne July 11, 2011 Hail $128,502,418 $120,000,000
Wyoming Teton Afton May 18, 2011 Landslide
Utah Washington St. George December 21, 2010 Flood
Colorado Boulder Salina, Gold Hill September 06, 2010 Wildfire $236,786,000 $214,352,000
Wyoming Campbell Gillette May 26, 2010 Hail $50,813,862 $46,000,000
Colorado Arapahoe, Jefferson, Adams Englewood, Arvada, Wheat Ridge, Lakewood, Brighton July 20, 2009 Hail $864,539,808 $770,000,000
Colorado Larimer Windsor May 22, 2008 Tornado 1 $216,484,444 $193,500,000
Utah Millard, Beaver July 05, 2007 Wildfire $4,647,830 $4,000,000
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