NOAA experts provide data, tools and information to help people understand, prepare for and adapt to our changing climate.

UPDATED: June 24, 2025. In compliance with Executive Order 14303 (“Restoring Gold Standard Science”), the White House Office of Science and Technology Policy’s June 23, 2025 Memorandum (“Agency Guidance for Implementing Gold Standard Science in the Conduct & Management of Scientific Activities”), 15 USC § 2904 (“National Climate Program”), 15 USC § 2934 (“National Global Change Research Plan”), and 33 USC § 893a (“NOAA Ocean and Atmospheric Science Education Programs”), you have been redirected to NOAA.gov. Future research products previously housed under Climate.gov will be available at NOAA.gov/climate and its affiliate websites.
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Explainer: How to foster resilience in your community

Whether it’s flooding or fire, heat or hurricanes, each community faces its own set of unique challenges and must tailor its actions to protect lives, livelihoods, lands and waters. 

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$2.780 trillion

From 1980 to August 2024, the U.S. has experienced 396 weather and climate disasters where overall damages reached at least $1 billion. The total cost of these events exceeds $2.780 trillion.

55

The number of different atmospheric gases that NOAA measures in both atmospheric distribution and trends

A 36-day cyclone

The longest-lived tropical cyclone (hurricane) on record was Cyclone Freddy, which lasted 36 days and crossed the Indian Ocean from Australia to Africa from February 4 – March 14, 2023.  

19

The number of La Nina events across the tropical Pacific Ocean since 1950. La Ninas cool the waters of the central and eastern Tropical Pacific Ocean affecting the air above it, starting a domino-effect in the atmosphere impacting the climate worldwide.

3+ million

The number of ocean temperature profiles generated by the Argo buoy fleet as of 2024. Argo buoys drift and dive throughout the ocean, recording temperature and salinity down to 2,000 meters (1.24 miles).

100 billion metric tons

The amount of ice lost by the Antarctic Ice Sheet every year since 2003.

March 31

Only three states - Florida, Louisiana and Hawaii - have an average last freeze by March 31

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