Global temperatures have soared in recent years and climate scientists are trying to understand why.
Image of the Day Atmosphere Heat Temperature Extremes
An early summer heatwave contributed to the country’s already active fire season.
Image of the Day Heat Temperature Extremes
The seas around Florida, Cuba, and the Bahamas saw large accumulations of heat stress beginning in summer 2023, with implications for the health of coral reefs.
Image of the Day Water Temperature Extremes
June, July, and August were 0.23°C (0.41°F) warmer than any other summer in NASA’s record.
Extreme temperatures and humidity affected millions of people in the Midwest, Great Plains, and South in August 2023.
Image of the Day Heat Human Presence Temperature Extremes
Earth in July 2023 was 1.18°C (2.12°F) warmer than the average for the month, and warmer than any other month in the 143-year record.
The desert Southwest endured more than three weeks of extreme temperatures in July 2023.
Record-breaking heat stifled western U.S. states and Canadian provinces.
Image of the Day Heat Land Human Presence Temperature Extremes