The University of Arizona

Southwest Climate Blog

The Southwest Climate Blog, a new feature of the Southwest Climate Change Network Web site, will explore challenges that experts and community members in the region face in trying to understand climate variability and change and make informed decisions.

Posted by Jonathan Overpeck on October 18, 2013

Drought means many things to many people, but to most, it means not getting enough rain to meet your needs. Not enough rain to maintain healthy range or forest conditions, supply enough water,...

Posted by Melanie Lenart on August 27, 2012

I thought I was leaving the extremes of the southwestern desert behind as I traveled to the so-called temperate climate of the Midwest and the balmy tropics of Puerto Rico. But those areas, like...

Posted by Cody Routson on November 21, 2011

Scientists have long known that megadroughts, droughts far more extreme than we have experienced during the last 100 years, have occurred from time to time in the Southwest. The 12th...

Posted by Mike Crimmins on August 16, 2011

Mounting evidence points to a possible return of La Niña this fall. This is not good news for the Southwest where severe to exceptional drought conditions already cover much of Arizona and...

Posted by Jessica Conroy on March 29, 2011

A blog post circulating around last week caught my attention. It suggested, based on new census data for Texas...

Posted by Cody Routson on December 4, 2010

Megadroughts, defined as droughts far more severe than anything we have experienced in the 20th century, have occurred numerous times across the Southwest. Are we due for...