Climate researchers have discovered a significant increase in neighborhood-level hurricane warnings, widespread wildfires in the US, and unprecedented changes in Earth's energy budget. These findings suggest that greenhouse gases are driving these trends, with smoke and fire-related carbon emissions rising due to increased aridity.
The 36th annual State of the Climate report reveals record highs in greenhouse gas concentrations, global sea level, and ocean heat content. Greenhouse gas concentrations reached a 53% increase from preindustrial levels, with fossil fuel emissions reaching a record high in 2025.
The American Meteorological Society recognizes individuals and organizations making a positive difference in the world through fundamental research, public engagement, teaching, and informed decision-making. This year's honorees include Rong Fu, Paola Cessi, Sharon Nicholson, Renhe Zhang, Christian Kummerow, and David Thompson.
Researchers analyzed the 2025 Texas Hill Country floods, which killed at least 135 people, including 28 at Camp Mystic. Experimental models showed they could have predicted extreme flows with greater lead time.
Researchers used experimental models to forecast 2025 Texas floods, which killed over 120 people. Models also project increased U.S. thunderstorm threat and severe weather season starts earlier in a warmer climate.
The American Meteorological Society (AMS) has released a statement expressing concerns about the proposed OMB rule on federal grantmaking changes. The rule could reduce public access to weather information, slow commercialization of advances in weather science, and limit scientific collaboration.
New studies reveal potential for 30-day forecast accuracy boosts using machine learning and explore the impact of vegetation on ocean currents during the Little Ice Age. Researchers also find that La Niña events can slow global warming by amplifying each other's cooling effects.
Recent studies investigate the relationship between weather conditions and extreme events like heat-related mortality, tropical cyclone hazards, and changes in precipitation patterns. Researchers also explore new modeling methods to predict visually appealing atmospheric phenomena like 'ornamental twilight'.
New research from the American Meteorological Society explores AI forecasting limits, the impact of climate change on hurricane trends, and simplifies the heat index. The studies find that machine learning can outperform numerical physics-based models in certain conditions, but not universally.
The American Meteorological Society and partners urge reinstatement of climate science chapter in judicial reference manual, citing concerns over public access to scientific knowledge. The statement emphasizes the overwhelming agreement among experts on climate change, its impacts, and human activities as primary drivers.
Researchers investigated the Mississippi River's hydrological trends, ocean carbon storage, and gender dynamics in flood mortality. A study found that precipitation increases, but soil moisture decreases, while high-resolution models reveal stronger Southern Ocean carbon absorption. Additionally, data showed men are overrepresented in ...
The American Meteorological Society strongly opposes the dismantling of NCAR, highlighting its central role in atmospheric sciences and its impact on the nation's economy. The AMS recommends that NSF engage in a rigorous process to develop a strategy for enhancing scientific innovation in the weather enterprise.
A new study finds that U.S. tornado activity is shifting southeastward due to the relationship between extratropical cyclones and low-pressure systems. Additionally, global warming has led to a fourfold increase in tropical cyclone rapid slowdown events in coastal areas.
The American Meteorological Society (AMS) expresses deep concern over the repeal of the EPA's 2009 Endangerment Finding, which concluded that greenhouse gas emissions harm human health and well-being. AMS reaffirms key scientific conclusions on climate change, including its impacts on people and nature.
The American Meteorological Society has partnered with the Intergovernmental Panel on Climate Change (IPCC) to provide IPCC authors with access to peer-reviewed scientific publications. This collaboration ensures equitable access to critical climate science for researchers worldwide, particularly those from developing countries and fac...
Amanda Staudt will lead the American Meteorological Society, advancing the atmospheric and related sciences for public safety, economic security, and environmental stewardship. With extensive experience in connecting science to society, Staudt aims to bring people together to amplify AMS's voices.
The American Meteorological Society has elected Rick Spinrad as its 2026 president-elect. A renowned oceanographer, Spinrad will serve a one-year term before becoming the AMS president in 2027. The five newly elected council members are Marilyn Averill, Julie Demuth, Jordan Gerth, Maureen McCann, and Aaron Piña.
The American Meteorological Society (AMS) urges the US government to maintain and strengthen NSF NCAR, a critical resource for weather forecasting and climate science. This would lead to further forecast improvements that benefit the nation's safety and economy.
Recent research reveals that volcanic eruptions can cause unpredictable weather patterns, including volcanic rain, dust storms, and unstable Antarctic air. The study also found that the Antarctic surface atmosphere has become less stable and more prone to gravity waves since the 1950s.
The 106th Annual Meeting of the American Meteorological Society will focus on the intersection of technology and human decision-making in weather, water, and climate sciences. The meeting will feature keynote presentations, Presidential Sessions, and named symposia highlighting key Earth science topics.
Researchers investigate how adjacent cities exacerbate each other's heat island effects. A study also highlights the need for improved hindcasting infrastructure in climate science. Additionally, a campaign monitors pinned clouds over industrial sources of heat and finds that trees are more reliable against heat stress than buildings.
Recent research from the American Meteorological Society reveals a false global heat record, suggests that severe weather events are increasing in frequency, and predicts an expansion of fire-prone areas. The study also examines the impact of cold wakes on tropical cyclone rainfall and finds that they intensify with global warming.
The US Climate Collection aims to publish U.S.-focused climate assessment science and research synthesis papers to inform future national and sub-national assessments. The collection welcomes studies that advance the evidence-based design of future U.S. assessments of climate risks and solutions.
The American Meteorological Society (AMS) has released a statement highlighting five foundational flaws in the Department of Energy's 2025 Climate Synthesis report. These flaws are inconsistent with scientific principles and practices, and require rectification before the report can accurately characterize scientific understanding.
The American Meteorological Society honors individuals and organizations with the 2026 Awards and Honors, recognizing their exceptional work in weather, water, and climate research. This year's recipients include scientists awarded prestigious medals for groundbreaking research in atmospheric dynamics, hydrology, and remote sensing.
The State of the Climate report reveals record-high greenhouse gas concentrations, with CO2 levels reaching 422.8 parts per million, a 52% increase from pre-industrial levels. Global temperatures also reached a new high, with annual growth increasing to 2.4 ppm yr−1.
Recent research from American Meteorological Society journals predicts a new record for lightning and a decrease in hurricane frequency. Additionally, fire forecasts have been updated to better manage water resources in Colorado's Gunnison River Basin.
The American Meteorological Society has awarded its 1,000th CBM designation to Ryan Marando, a meteorologist at WHIO-TV in Dayton, OH. This milestone recognizes the expertise of on-air weather communicators in both meteorological science and forecasting.
Researchers have discovered that urban areas experience a greater difference in wet bulb globe temperature between 0.5 m and 1.5 m above ground due to surface heat radiation, posing health risks to children and pets during extreme heat events. Total solar eclipses also alter atmospheric conditions and insect behavior, with some species...
The American Geophysical Union (AGU) and the American Meteorological Society (AMS) are collaborating on a special collection to maintain momentum in climate change research supporting the US National Climate Assessment. This effort aims to sustain the work of authors who were dismissed earlier this week by the Trump Administration.
The American Meteorological Society warns that catastrophic cuts to federal science agencies like NOAA threaten the US weather enterprise, which supports public safety, private sector operations, and national security. A strong weather enterprise is essential for America's economic leadership.
The proposed elimination of NOAA Research would drastically undercut the scientific backbone needed for accurate weather forecasts and services. Key stakeholders like the American Meteorological Society and National Weather Association urge action to maintain competitiveness in weather forecasting.
Recent research highlights increased fire activity in the western US, with wildfires becoming less prone to calming down at night. Meanwhile, extreme turbulence on hurricane flights has led to a new 'bumpiness' metric. Climate extremes are also evident in shifting energy demands for heating and cooling in Chinese megacities.
Climate change drives large increases in electricity demand and costs in Texas due to extreme temperatures. Meanwhile, atmospheric rivers become more frequent, larger, and moister globally. Diagnostic studies also predict malaria outbreaks with five-month lead time using sea-surface temperature anomalies.
The US weather enterprise faces significant risks due to federal science funding cuts, which could lead to reduced weather forecasting accuracy and increased vulnerability to hazardous weather. The value of weather information to the US economy exceeds $100 billion annually.
Research highlights the impact of wind on wildfire growth, with areas in the US Southeast vulnerable to extreme heat and precipitation events. Meanwhile, a study suggests the 'drought' of EF5 tornadoes may be due to stricter ratings rather than changes in tornadoes.
Early online research reveals associations between snowmelt timing, wildfires in Alaska, and rapidly intensifying tropical cyclones. The impact of climate patterns on extreme weather events is a growing concern.
The 105th Annual Meeting of the American Meteorological Society will address key issues in weather, water, and climate. The meeting features a Presidential Forum on physical, social, cultural, and economic impacts of climate change, with experts from the region of the Mississippi River Delta.
Alan Sealls has been elected 2025 AMS President-Elect and will serve a one-year term before becoming president. He brings extensive experience as a broadcast meteorologist, educator, and leader in the field of atmospheric sciences, with roles including chief meteorologist at WPMI-TV and president of the National Weather Association.
Recent studies analyze hurricane damage, water flow into dams, marine heatwaves, and the impact of air pollution on vegetable market prices in South Korea. Hurricane Katrina remains the most damaging U.S. hurricane, while a new system predicts extreme air pollution episodes in India's New Delhi megacity.
New studies reveal significant increases in Atlantic hurricane seasons and derecho events, while also highlighting the dangers of turbulence near thunderstorms and extreme heat stress. Climate models predict a rise in precipitation extremes across US cities, particularly during winter and spring.
Researchers estimate the dollar value of weather information to be over $100 billion, highlighting its significant economic impact. The study also explores lightning suppression and a unique 'storm generator' technology that can create thunderstorms in Chinese desert.
Research explores changes in global precipitation patterns and how they relate to climate change. Bird nests are found to predict rainfall in rural India, while heat stress is increasing in the southeastern US, particularly at night. European 'bomb' storms may intensify due to warming climate.
The American Meteorological Society recognizes outstanding contributions to the weather, water, and climate community with its 2025 Awards and Honors. This year's honorees have made significant impacts on scientific advancement and public safety, including warnings of wildfires and refinements in modeling techniques.
Research on wind farms reveals their potential to slow tropical cyclone winds and reduce precipitation. Additionally, a study found that people experiencing homelessness are four times more likely to suffer temperature-related illnesses, such as heat stroke, than the general population.
Researchers study droughts, wildfires, and precipitation changes across the US Southeast and globally. The Great Salt Lake's drying exacerbates regional droughts, while a Maui wildfire is linked to atmospheric patterns.
Arctic sea ice is expected to lose mass in the coming decade due to dominant natural climate patterns. Exposure to extreme temperatures, particularly heat, may lead to adverse birth outcomes in China. Researchers also found that ocean warming intensifies typhoons, but moderation comes from atmospheric temperature and humidity changes.
A new study establishes official climate divisions in Hawaii, improving climate research and forecasting. Chronic pain sufferers who spend time outdoors experience stronger weather-based effects, while lightning-initiated wildfires are responsible for more than half the acres burned in the contiguous United States.
A new study finds that extreme tropical cyclone rainfall is increasing across the continental US, while climate warming restricts 'outdoor days' for people living in developing countries. Additionally, air pollution increases mortality risks from heat, especially when combined with other factors like wildfires and reduced aerosols.
Research suggests polar climates are adjusting to a warming climate with changes in regional climate dynamics. Altered ocean-sea ice interactions may be driving recent fluctuations in sea ice extent, according to new studies.