Pure Science

Climate.gov

​​​​​​​New Federal Advisory Committee members will provide feedback to improve NOAA’s climate tools and services.

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NOAA’s newest hurricane model, the Hurricane Analysis and Forecast System (HAFS), advanced the accuracy of hurricane forecasts and supported community preparedness actions during the 2024 Atlantic…

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A global reduction in sulfur pollution from shipping that has inadvertently contributed to recent warming of the Earth is providing insights into the challenge of evaluating marine cloud brightening.

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New research confirms that, even as the Arctic warms faster than the rest of the world, cold-air outbreaks from the polar region will continue across the Northern Hemisphere in the coming decades.

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Through partnerships with private-industry cruiseliners, cargo vessels, sailboats, and moorings, the Ships of Opportunity Program enables researchers to track the global ocean’s uptake of carbon.

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Throughout 2024, NOAA Research continued work to better understand challenges Americans face: droughts, floods, severe weather, heat waves and other environmental hazards.

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Learn what goes into growing these staples of holiday festivities, and how they are affected by weather and climate.

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Learn what goes into growing these staples of holiday festivities, and how they are affected by weather and climate.

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This month marks 25 years since Argo floats began drifting with currents and diving for data. The array has helped scientists to better understand changes in the ocean, improve climate and weather…

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Learn all about Argo from the perspective of four scientists with NOAA’s labs and cooperative institutes across the country, and what makes this ocean observing instrument special.

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Using national survey data, researchers assessed changes in how middle school teachers taught climate change from 2014 to 2019. They found that both the proportion of teachers covering climate change…

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The NOAA Blue Carbon Inventory Project works with partner countries to advance the development of climate change mitigation, coastal wetland management, and resilience strategies that reflect the…

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The NOAA Climate Program Office and the NOAA Marine Protected Areas Center have launched a new story map for the NOAA Blue Carbon Inventory Project.

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November 30 marks the official end of the 2024 Atlantic hurricane season. Throughout this active season, NOAA scientists set new records in tropical cyclone research.

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Two new studies focusing on the tropical Pacific and atmospheric circulation uncover mechanisms driving extreme weather patterns and may help improve predictions.

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Rare observations of surface currents in the Bay of Bengal will help scientists understand when an ocean current may veer in a direction opposite to what they expect.

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New research indicates that year-to-year hurricane variability has already increased, and projects a further 36 percent increase by the middle of the 21st century.

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A new analysis found that ozone pollution readings in the Upper Midwest caused by massive Canadian wildfires in spring 2023 were the worst in decades.

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The Air Quality and Community Health Research Subcommittee of the National Science and Technology Council has just published a website on air quality and human health.

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NOAA has announced a new agreement to support evaluation of whether the ocean can safely remove and store billions of tons of carbon dioxide.

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Phased Array Radar can give meteorologists a clear view of fast-moving weather systems by providing almost instantaneous scans of multiple areas in the atmosphere at once.

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The NOAA Climate Program Office (CPO) Adaptation Sciences (AdSci) program is excited to announce eight new awards totaling $2,395,476 that will build the nation’s climate resilience.

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NOAA’s Climate, Ecosystems, and Fisheries Initiative is an initiative to provide decision makers with needed information to mitigate and adapt to the effects climate change on key marine and Great…

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A newly published study projects an increase in the variability of Atlantic tropical cyclone activity, leading to more active and inactive hurricane seasons and less near-normal seasons.

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At current rates, the Global Carbon Budget estimates, there’s a 50 percent likelihood that global average air temperatures will regularly exceed the 1.5-degree Celsius target (2.7 degrees Fahrenheit…

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Marine heatwaves create high-pressure atmospheric conditions that weaken coastal circulation in the Gulf of Alaska, reducing the formation of the eddies essential for supporting marine life.

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Drought data over 2001-2021 suggest that in the western United States, low rainfall drove droughts but in the central and eastern U.S., low soil moisture and high evaporation played a bigger role.

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During the 2020-2022 drought, evaporation accounted for 61 percent of the drought’s severity, while reduced precipitation only accounted for only 39 percent.

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The Northern Hemisphere’s aerosols and land reflect more sunlight, balanced by the Southern Hemisphere’s low- and mid-level clouds. Both hemispheres are darkening, but it’s unclear if this change is…

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The Center for Collaborative Heat Monitoring opened applications for communities across the U.S. to monitor and evaluate factors influencing local heat risk. The effort is funded through the…

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A new study reveals significant acceleration in the upper-ocean circulation of the equatorial Pacific over the past 30 years, primarily driven by intensified atmospheric winds.

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Recurring sea level patterns to show it’s possible to predict large-scale sea level patterns and even anticipate coastal variations up to 8 years in advance.

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While aerosol changes have varied across regions since 1980, these regional differences have influenced global tropical cyclone activity in distinct ways over recent decades.

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Government programs such as managed retreat are controversial. New findings suggest long-term success of these programs entail offering more help to the local governments implementing them.

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The combination of burned plastics, resins, and wood could affect interactions between smoke and sunlight, potentially influencing climate warming.

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The Madden-Julian Oscillation influences weather across the tropics. Its behavior is less predictable in summer than in winter, but a new study seeks to close the improve summer forecasts.

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Government programs such as managed retreat are controversial. New findings suggest long-term success of these programs entail offering more help to the local governments implementing them.

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A recent study reveals that microbes, rather than fossil fuels, have been driving the surge in global methane emissions since 2020.

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As the southeastern United States reels from the impact of two historic hurricanes, disinformation about nonexistent weather manipulation technology is spreading across the internet.

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A slowly-developing La Niña is favored to influence conditions most of the United States from December 2024 through February 2025.

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Comparing tree rings from 1700-1880 with modern data from 1985-2020 shows that wildfires burn less frequently now, but fires cause higher tree mortality rates.

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Scientists hope to understand why Cheeca Rocks and other inshore patch reefs have shown greater resilience to environmental stressors such as bleaching, disease, and overfishing.

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The typically nutrient-poor waters around the Hawaiian Islands are often referred to as a “marine desert,” but a new study finds surprising bursts of productivity, thanks to eddies.

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The Department of Commerce and NOAA have announced $15.3 million in funding for NOAA and external collaborators to provide transparent climate projection products and equitable services for the…

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A 3,800-year-old tree found buried in clay lost less than 5% of its carbon. This suggests similar burial conditions could preserve wood and prevent carbon release into the atmosphere.

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A new U.S.-based system to combine air quality and greenhouse gas pollution sources into a single national research database is now available in the U.S. Greenhouse Gas Center portal.

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A new U.S.-based system to combine air quality and greenhouse gas pollution sources into a single national research database is now available in the U.S. Greenhouse Gas Center portal.

Climate.gov

As Hurricane Helene developed in the Gulf of Mexico, NOAA researchers gathered critical data from the sea and sky to better understand tropical cyclones and support forecasters.

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California Current forecasts tend to remain reliable longer when they better represent key atmospheric drivers such sea level pressure and the Pacific meridional mode.