On September 12, the extent of sea ice in the Arctic reached the third lowest level ever recorded since satellite records began in 1979. Only 2007 and 2008 have had smaller ice extents than 2009.
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.
A La Niña Watch has been issued by NOAA's Climate Prediction Center. But also, we are still in El Niño! Confused? Let the ENSO bloggers explain.
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.
The swings between El Niño and La Niña have been bigger in recent decades than earlier ones. Our guest blogger covers new research pointing the finger at human-caused climate change.
No, your eyes are not deceiving you. The latest ENSO Outlook does in fact favor the end of La Niña with a slightly over 80% chance that ENSO-Neutral conditions will reign supreme by springtime. For more on that and another look at how daily temperatures vary during winter, click below.
Arctic temperatures over 2021-22 were the sixth-warmest on record, based on records dating back to 1900.
A record-warm autumn boosted Arctic 2020-21 surface temperatures to the rank of seventh-warmest year on record since 1900.
In a tweet chat featuring four NOAA marine experts, learn about the National Marine Ecosystem Status website, how to use it, and why you should care about the health of marine ecosystems.
A special issue of the open access journal Earth System Science Data showcases results and datasets from a month-long field campaign in Barbados in 2020.