National Oceanic and Atmospheric Administration

El Nino looms large over U.S. Winter Outlook

NOAA’s U.S. Winter Outlook, released today, shows how El Nino will likely influence the upcoming winter months (December 2026 ...
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Susan Ruffo selected as NOAA’s Deputy Assistant Secretary for International Affairs

Susan Ruffo, NOAA’s deputy assistant secretary for International Affairs. (Image credit: Connor Surdi) Susan Ruffo, a demonstrated leader on ocean and climate issues internationally, has been ...
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The planet just had its warmest October on record

October 4, 2023: An aerial view of the drought-hit harbor of Cacau Pirêra, where houses that normally float on the water are lying on the river bed in Iranduba, Amazonas, Brazil. October 2023 was the ...
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U.S. struck with historic number of billion-dollar disasters in 2023

The most costly events in 2023 were the Southern/Midwestern drought and heat wave event at $14.5 billion, and the Southern/Eastern severe weather event in early March, at $6.0 billion. Adding the 2023 ...
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What’s the difference between climate and weather?

Worldwide, scientists observe weather conditions at thousands of stations every day of the year. Some observations are made hourly, others just once a day. Over time, these observations allow us to ...
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Hoist a flag for cold waves and other weather conditions

The original weather signal flags included a red circle, crescent, and star for warmer, cooler, and steady temperatures, respectively. A blue circle, crescent, and star indicated general rain or snow, ...
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NOAA and Fugro partner to accelerate deep ocean mapping, characterization

NOAA Ocean Exploration and Fugro offsite link have signed a cooperative research and development agreement (CRADA) to develop and use uncrewed systems for ocean exploration to enhance the efficiency, ...
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Office of Space Commerce

This survey is designed to measure your level of satisfaction with our website. It consists of seven questions and should take approximately two to five minutes to complete. Please do not use this ...
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What is a harmful algal bloom?

Harmful algal blooms, or HABs, occur when colonies of algae — simple plants that live in the sea and freshwater — grow out of control and produce toxic or harmful effects on people, fish, shellfish, ...
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NOAA updates Texas rainfall frequency values

A NOAA analysis released today finds significantly higher rainfall frequency values in parts of Texas, redefining the amount of rainfall it takes to qualify as a 100-year or 1000-year event. The study ...
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NOAA, Census mark the new U.S. center of population

Today, NOAA and the U.S. Census Bureau will mark the new U.S. center of population. Hartville, a town of about 600 people in central southern Missouri, is the town closest to the point where an ...