Much like a conveyer belt, an atmospheric river transports moisture from the tropical and subtropical oceans and dumps it as ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

For further information, please see our April Arctic sea ice extent averaged 13.91 million square kilometers (5.37 million ...

When Curtis Rattray walks on Tahltan land, he often pauses to write in a tattered notepad. He jots down descriptions of the ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

Effective May 5, 2025, NOAA’s National Centers for Environmental Information (NCEI) will decommission its snow and ice data products from the Coasts, Oceans, and Geophysics Science Division (COGS).

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

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As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

Arctic sea ice extent through most of April changed very little. Only at the end of the month did extent begin to decline. Because the month started with unusually low extent, however, the average ...

Use the Snow Today interactive data viewer to explore current various aspects of snow conditions and how they compare to past years. Each snow season, our scientists write monthly data analyses ...