Colorado's Climatology of Severe Weather Reports

Contained in these pages is a historical database of severe storm reports, provided by the Storm Prediction Center. Severe weather reports include tornadoes, wind, and hail. All reports from 1955-2019 are included in the climatology. Note - these pages are best viewed on a desktop computer or display.

Interactive Map of Reports

Explore this interactive map to see all severe storm reports across Colorado. Zoom in to areas of interest, hover over a track or a point to see the date and type of event reported. Click or unclick the legend to add and remove data from the map.

Distribution of Severe Reports

This interactive graph contains a complete climatology of reports with severe weather - tornadoes, hail, and wind. See the distribution of all reports, zoom in to specific time periods, or choose to focus on one element, like 2"+ hail.

Distribution of Severe Days

This interactive graph contains a complete climatology of days with severe weather - tornadoes, hail, and wind. See the distribution of all days, zoom in to specific time periods, or choose to focus on one element, like EF2+ tornadoes.