But lower emissions will reduce the intensity of the driest years of megadrought events.
Western drought 2021 spotlight: Arizona
August 9, 2021
The August 2021 Climate outlook favors a wetter-than-average month across the Southwest and Southeast and above-average temperatures across much of the contiguous U.S.
Let's take a tour through North America's summer monsoon, a critical source of rainfall for the U.S. Southwest and Mexico.
June precipitation was average across the country, a balancing out of dryness in the West and wetness in the Lower Mississippi, Eastern Seaboard, and Great Lakes.
Guest blogger John Allen recaps tornado activity so far in 2021 and discusses the limits of using ENSO to predict seasonal tornado activity.
La Niña's here through winter, but chances for ENSO to transition to neutral by spring are rising.
Tree rings can reveal the age of wood used to make human artifacts from famous violins to the cliff ruins of Mesa Verde, and also tell us about the climate conditions that prevailed when those trees were alive.
The climate system we share is big and complex. Assessments like the State of the Climate depend on expertise from around the world and around the sciences. This year's "Meet the Author" profile features two contributors to the African section of the "Regional Climates" chapter.