![April 2021 outlook: Warmth expected for much of the contiguous US…except you, Pacific Northwest](/sites/default/files/rotator_US_outlook_April2021_480x320.jpg)
The April 2021 climate outlook tilts warmer than average for most of the country and drier than average across the southern tier of the United States.
![Climate change is probably increasing the intensity of tropical cyclones](/sites/default/files/flooding_harvey_TX_1500.jpg)
A panel of hurricane experts reviewed more than 90 research studies on the observed and projected changes in tropical cyclones for an updated summary of what the science says about the human influence on these devastating storms.
![Which mountain snowpacks are most vulnerable to global warming?](/sites/default/files/vulnerable_mountain_snowpack_480.jpg)
Early disappearance of winter snowpack can have a major impact on spring and summer water supplies for people, ecosystems, and agriculture.
![When it comes to U.S. climate, what’s normal is about to change](/sites/default/files/winter_normals_differences_480.jpg)
NOAA climate experts are working on the latest update to the U.S. Climate Normals. Here’s a sneak peak at how what’s normal for winter will change.
![A conversation with polar oceanographer Rebecca Jackson](/sites/default/files/Jackson_Rutgers_480_0.png)
To better predict sea level rise, Rebecca Jackson wants to describe exactly what happens where liquid ocean meets the icy underside of glaciers. But how do you study a glacier that could calve a dangerous iceberg at any moment?
![February 2021 outlook: A winter’s chill forecast across central and western United States](/sites/default/files/Feb2021_USoutlook_480.jpg)
The February 2021 outlook favors a colder- and wetter-than-average month for much of the northern and central United States.
![Eighth-warmest December on record helps 2020 end as second-hottest year on record](/sites/default/files/Global_temp_Dec2020_480.png)
Despite the influence of La Niña, December 2020 was the eighth-hottest December on record helping 2020 become the second-hottest year on record.
![¿Qué no hay mucho desacuerdo entre los científicos del clima sobre el calentamiento global?](/sites/default/files/spanish_disagreementbus_480.png)
Por una gran mayoría, los científicos del clima están de acuerdo en que la temperatura global promedio hoy en día es más cálida que en la época preindustrial, y que la actividad humana es el principal factor contribuyente.
![November 2020: The year is ending as it began, on a hot streak](/sites/default/files/global_temp_anom_Nov2020_480.png)
November 2020 was the second-warmest November on record, which increases 2020's chance of becoming the warmest year on record to over 50%.