News & Features

December 2021 La Niña update: visual aids

Emily Becker | December 9, 2021

As we enter our second La Niña winter in a row, our blogger explains what we know about the chances for a three-peat. (TL;DR: possible, but not statistically likely.)

Southern Ocean confirmed as strong carbon dioxide sink

December 7, 2021

Recent research suggested the Southern Ocean might absorb less atmospheric carbon dioxide than previously thought. But a new study published this week in the journal Science confirms the role of the Southern Ocean as a significant carbon sink.

December 2021 U. S. Climate Outlook: A La Niña-like pattern with warmth over much of the U. S.

Tom Di Liberto | December 1, 2021

The December 2021 climate outlook favors a warmer-than-average end to 2021 for much of the country, with odds tilted towards a drier-than-average December for the Southeast

The first mixed layer depth climatology over the Northeast U. S. continental shelf

November 30, 2021

The Northeast U.S. continental shelf is home to some of the worlds’ most productive and commercially valuable fisheries, but the region is affected by changing climate. A new study may lead to better understanding of the region and its seasonal cycle.

What to expect this winter: NOAA's 2021-22 Winter Outlook

Mike Halpert | November 24, 2021

What weather can the U.S. expect in the second winter of a double-dip La Niña? The Climate Prediction Center’s Mike Halpert lays it out in his discussion of the November update to NOAA’s winter outlook.

NOAA seeks applicants for 2022 urban heat island initiative

November 23, 2021

NOAA’s National Integrated Heat Health Information System and science partner, CAPA Strategiesoffsite link, are now accepting applications from organizations interested in participating in the 2022 Urban Heat Island mapping campaigns.

State of the science on tropical cyclone frequency

November 23, 2021

On average there are about 80 tropical cyclones a year. The question scientists ask is: why 80? Will this number increase or decrease as the planet warms? A new review paper, published in the Earth’s Future journal, presents the state of the science.

2021 Antarctic ozone hole larger than average

Rebecca Lindsey | November 22, 2021

But the Montreal Protocol is working: the hole in our planet’s UV-blocking ozone layer was smaller than those of the 1990s and 2000s.

Declining methane emissions but steady leakage rates observed in Western United States

November 16, 2021

Although methane emissions have declined in the western United States in recent years, but methane leaks continue. Close monitoring in Utah’s Uinta Basin shows what is improving and what remains to be fixed.

Study shows that climate change is the main driver of increasing fire weather in the western United States

November 16, 2021

Wildfire is part of the natural ecosystem cycle over the western United States, but recent increases in frequency and intensity are mainly driven by climate change, a new study shows.

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