Total frequency of "Danger Season" alerts, by county

Danger season alerts include heat, flood, storm, and fire weather alerts issued to counties by the National Weather Service. The data was collected and compiled by the Union of Concerned Scientists.

From May 1, 2023 through August 29, 2023. Data for Copper River and Chugach counties in Alaska was unavailable.
Map: Heatmap News Source: Union of Concerned Scientists Embed
Heatmap