The amount of sea ice that survives the Arctic summer has declined by 13 percent per decade since the start of the 43-year satellite record.
Global average sea level has risen 8-9 inches since 1880, and the rate is accelerating thanks to glacier and ice sheet melt.
It’s March Madness, ENSO style! Our blogger discusses why the North American precipitation pattern this past winter looked more like the response to a moderate-strength La Niña than to a weak event.
Weak La Niña conditions continued in January, but a transition to ENSO-neutral in the near future is likely.
Released in 2023, the Fifth National Climate Assessment (NCA5) includes an Art × Climate gallery. This work by Linda Gass highlights the historical shoreline of San Francisco Bay.
Why no one should expect a perfect match between what happens during a La Niña winter and the expected La Niña pattern. But knowing whether it may be a El Niño or La Niña winter is still useful!
With Hurricane Helene at the top of the list, there were 27 disasters in the United States in 2024 that individually cost $1 billion or more. It was the second-highest number since the NOAA record began in 1980.
After a long wait, La Niña conditions developed in December. What makes this La Niña unusual?