The last 17 years, from 2007 to 2023, are the lowest 17 sea ice extents in the satellite record.
The last 17 years, from 2007 to 2023, are the lowest 17 sea ice extents in the satellite record.
Find the hottest summer day for thousands of U.S. stations with this interactive map.
The September 2023 ENSO Outlook predicts El Niño will stick around at least through January-March 2024. But don't just take it from us, hear directly from the Pacific Ocean and tropical atmosphere, who join the blog to answer some questions.
A third year of La Niña, a record-setting underwater volcanic eruption, and drought expansion. These are just a few of the highlights of the State of the Climate 2022 report.
The predicted combination of a much warmer than average and much drier than average September across the country's middle is bad news for the ongoing drought in the Plains and Deep South.
China has overtaken the U.S. as the largest annual emitter, but all countries have to reduce their emissions if we want to stop further global warming. Every fraction of a degree of warming we avoid lowers the risks to people and other life on Earth.
Out of the 29 Northern Hemisphere summers that led up to a winter El Niño, how many were hot versus cold? Wet versus dry? These maps are a global climate scorecard for the influence of El Niño on June-August climate.
How will the current El Niño impact coastal flooding over the next year? Guest blogger William Sweet and his colleagues discuss how the combination of long-term sea level rise and El Niño have increased the risk of high-tide flooding along both U.S. coastlines.
Why is it so rare for tropical cyclones to make landfall on the U.S. West Coast?
July 2023 was the warmest July on record. Ocean surface temperatures were record warm for the fourth month in a row.