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
- IBTrACS TC Track & Wind Footprint Map Explorer ↗ external site (tcviewer.org) Any Atlantic storm since 1851 — best-track by Saffir–Simpson category with 34/64 kt wind swaths; click any point for full data.
Historical Trends
- Tropical Cyclone Trends Global climatology and long-term trends of TC activity from IBTrACS, in one exportable frame.
Severe Thunderstorms and Other Impactful Weather
Historical Event Viewer
- Historical Severe Weather Events Individual storms rather than climatology — the SPC derecho archive (1956–2025) and the biggest hail, tornado and thunderstorm-wind days on 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.