Extreme Weather

Are we experiencing weather impacts from climate change?

October 31, 2023


The changing climate is affecting weather patterns in a number of ways—from more heat waves to increased flooding.

Research demonstrates a link between the increase in global average temperatures over the last century and the occurrence of extreme weather. Extreme weather events are now more intense and happening more frequently.

Key Takeaways

  1. 1.

    Heavy rainfall is increasing in intensity and frequency across the United States and globally.

  2. 2.

    Heatwaves have become more frequent in the United States since the 1960s.

  3. 3.

    The incidence of large forest fires in the western United States and Alaska has increased since the early 1980s and is projected to further increase.

  4. 4.

    Chronic, long-duration drought is increasingly possible before the end of this century.

  5. 5.

    Tropical cyclones are likely to be more intense in a warmer world.

Additional Resource

American Geophysical Union: Climate Change Fact Sheet