Tag: NOAA

Arctic Tundra Becoming Source of Carbon Dioxide Emissions

1/31/2025 - By noaa.gov. 2024 Arctic Report Card tracks rapid, complex Arctic change. After storing carbon dioxide in frozen soil for millennia, the Arctic tundra is being transformed by frequent wildfires into an overall source of carbon to the atmosphere, which is already absorbing record levels of heat-trapping fossil fuel pollution. The… SEE MORE

New Data for Improved Navigation in the Upper Hudson River

1/30/2025 - By oceanservice.noaa.gov. Real-time data on coastal conditions will support improved maritime navigation in New York. Navigating New York waterways just got a bit easier. NOAA and the New York State Department of Environmental Conservation announced the establishment of the Hudson River Estuary Physical Oceanographic Real-time System (PORTS®). The system delivers real-time… SEE MORE

After the storm clouds cleared on January 22, 2025, satellites captured an unusual sight: a swath of snow arcing around the Gulf Coast and the Atlantic Southeast. Climate.gov image based on NOAA-21 satellite data from the VIIRS sensor.

Historic January 2025 Snowstorm in the Southern U.S.

1/27/2025 - By climate.gov. An Arctic blast plunged into the southeastern United States on Sunday, January 19, arriving just in time for the on-average coldest stretch of the year. It brought record-breaking low temperatures and fueled a winter storm that dropped historic snowfall for parts of the South. On January 22, the… SEE MORE

Grading the Groundhogs: The Weather Predicting Rodents

1/26/2025 - By noaa.gov. In honor of Groundhog Day and in the spirit of fun, we pitted groundhogs from all over the United States against each other — and data from NOAA's National Centers for Environmental Information — to see who’s the most accurate. Groundhog Day has been celebrated in the United States since… SEE MORE

Biden-Harris Administration, NOAA Designate 18th National Marine Sanctuary

1/23/2025 - By noaa.gov. Papahānaumokuākea sanctuary status to bring strengthened conservation, management to area. NOAA is designating the marine portions of Papahānaumokuākea Marine National Monument, a 582,570 square-mile area in the Pacific Ocean, as America’s 18th national marine sanctuary. Papahānaumokuākea National Marine Sanctuary will be the largest sanctuary in the National Marine Sanctuary System, and is one… SEE MORE

Image Credits: A gorgonian coral (Muricea pendula). (Image credit: UNC National Undersea Research Center)

From Threat to Threatened: A Brief History of Coral Reef Research

1/21/2025 - By noaa.gov. Alexander Dallas Bache was the second Superintendent of the U.S. Coast Survey. He was dedicated to charting our coastlines and improving the safety and effectiveness of marine navigation. In 1851, seeing coral reefs as a threat to the safety of ships traveling our coasts, he commissioned controversial American… SEE MORE

The Sea Level Calculator: A Comprehensive Data Resource for Coastal Communities

1/14/2025 - By coast.noaa.gov. With changing sea levels and more frequent and intense storms, tens of millions of people in the U.S. are at risk from coastal hazards. Communities need to understand how sea level and flooding are changing in their location so they can adapt to these risks. NOAA combined existing… SEE MORE

Image Credits: SEPTEMBER 29, 2024. Gentoo penguins and seals make their return to Palmer Station in Antarctica. Antarctic sea ice coverage in 2024 was the second lowest on record. (Image credit: Evan Quinter/ U.S. National Science Foundation/Creative Commons CC BY-NC-ND 4.0)

2024 was the World’s Warmest Year on Record

1/13/2025 - By noaa.gov. Antarctic sea ice coverage is the second lowest on record, behind 2023. It’s official: 2024 was the planet’s warmest year on record, according to an analysis by scientists from NOAA’s National Centers for Environmental Information (NCEI). Along with historic heat, Antarctic sea ice coverage dropped to its second-lowest… SEE MORE

Image Credits: November 15, 2024: Shriveled leaves and bushes cover the ground at Brooklyn's Prospect Park as New York City and much of the Northeast saw a warm and dry November 2024, wrapping up the warmest fall in the U.S. on record. (Image credit: Getty Images)

Fall 2024 was Nation’s Warmest on Record

12/31/2024 - By noaa.gov. Last month wrapped up a record-warm meteorological fall across the U.S. This year-to-date period is also running as the nation’s warmest on record, according to scientists from NOAA’s National Centers for Environmental Information (NCEI). Below are highlights from NOAA’s U.S. climate report for November 2024: Climate by the… SEE MORE

The Science Behind Tsunamis

12/30/2024 - By noaa.gov. A tsunami is a series of waves generated by a large and sudden displacement of the ocean. Large earthquakes below or near the ocean floor are the most common cause, but landslides, volcanic activity, certain types of weather and meteorites can also cause tsunamis. Tsunamis radiate outward in… SEE MORE