Extreme Weather: Maps and Trends
Interactive maps and explorers for extreme weather. Many things a work in progress, new updates expected regularly. Email me if there is a feature you would like to see added!
Tropical Cyclones
Historical Event Viewer
- tcviewer.org: IBTrACS TC Track & Wind Footprint Map Explorer (external site) Maps of all global tropical cyclones: individual storm, day in history, month in history, and date range
Historical Trends
- Climatology & Trends — 5° grid Paired climatology and trend maps on a 5° global grid, each with its zonal profile alongside, plus annual, seasonal and month-by-month series. Track density, storm count, ACE, intensity, central pressure and storm size, by basin, 1980–2025 from IBTrACS. Click a basin to zoom in.
Severe Weather (wind, hail, tornado, derecho, freezing rain)
Historical Event Viewer
- Historical Severe Weather Events Maps of any severe thunderstorm and derecho day from the historical record
Historical Trends
- Climatology & Trends — county level Paired climatology and trend maps at U.S. county resolution, with annual and month-by-month series. Hail, tornado, thunderstorm wind, freezing rain and peak wind.
- Climatology & Trends — 2° grid The same paired maps binned into a regular 2° grid.