Jun 25, 2025 · Documents the area of the contiguous United States (or a region therein) that experienced extreme conditions (as defined by the index) during various time periods.

Choose a period/season and an indicator from the options below and click "Plot" to create a time series graph. Statistics for the most recent period/season are computed from a fraction of the …

May 20, 2024 · On this page, you will find charts for many of the most important measures of change: hurricane frequency and intensity, temperature anomalies and heat waves, extreme …

Oct 23, 2024 · Many of these extreme weather events happen in combination with others. For some locations, heat waves and droughts are occurring together more often, and this trend is …

Click on each state in the maps to see the number of weather events causing more than $1 billion in economic losses by decade. Compare the impacts by state and by decade: explore the …

May 23, 2023 · Here’s a look at the impact of rising extreme weather events in three charts. Over the past 20 years, there has been a “staggering rise” in the number of extreme weather …

Looking at the changing climate by studying the frequency, duration and intensity of extreme weather events, complements other metrics such as annual average temperature rise.

Visualize the frequency and cost of billion-dollar weather and climate events using the interactive time series. In 2024, there have been 27 confirmed U.S. billion-dollar weather and climate …

Aug 2, 2024 · In our first blog post on weather volatility and climate change, we describe trends in extreme weather events in the United States from 1995 to 2022 and how different types of …

Jun 25, 2025 · Comprehensive records describing 48 different types of severe events, from localized thunderstorms, tornadoes, and flash floods to regional events such as hurricanes, …