El Niño exerts its global impact through two different atmospheric pathways, one located miles above the other—a finding that may help bolster regional climate prediction.

Geophysical Research Letters, a leading journal in Earth science, is toasting its 40th anniversary this month with an editor-picked retrospective collection of 40 papers, including several with authors from NCAR.

Two one-hour webinars on May 20 and 21 will feature nationally recognized hydrometeorologist Matt Kelsch on the science behind flash flooding, including the conditions that lead to extreme rainfall and what happens to all that rain after it falls.

Americans face the risk of a 70 percent increase in unhealthy summertime ozone events by 2050 because of factors related to climate change.

While the current peak in the 11-year cycle of sunspot activity is on the weak side, the Sun might still produce a major storm at any point. The most dangerous storms are most likely during the waning part of the solar cycle, which will unfold later this decade.