If this blog teaches you one thing, we want it to be this: "polar vortex" is not a synonym for "cold snap."
News & Features
An explainer about the international climate meeting known as “COP.”
Was the late November Great Lakes snowstorm a harbinger for December?
Watch this space! Next week, in partnership with experts from NOAA Chemical Sciences Lab and the Climate Prediction Center, we're launching a blog about the behavior—and sometimes misbehavior—of the stratospheric polar vortex.
It's not perfect, but ENSO is still the best tool we have for predicting average winter precipitation over the U.S.
Nearly 100 NOAA scientists and staff contributed to the Fifth National Climate Assessment. Among this group were 35 authors, 13 chapter leaders, 20 members of NOAA’s technical support team, technical contributors and reviewers.
El Niño is cruising along in the tropical Pacific. Let our blogger tour you through some of the potential El Niño impacts this winter!
Does your climate outlook for November offer up tricks or treats? We'll show you the odds.
Early development of the ozone hole was moderated by active weather that mixed in ozone-rich air from lower latitudes.
Heat and dryness have brought record-low flows to the Amazon's largest tributary, increased fire activity, water shortages, and mass fish kills.