From February through April, the CPC is leaning warmer than normal in Arizona. However, they only forecast this with a 33% to ...

In 2024, the monsoon season brought an additional two inches of rain to Tucson courtesy La Niña. The vegetation ... Between July and November, Arizona saw 407 wildfires that burned over 155,000 ...

January's Colorado River basin snowpack is about normal, but without a snowy late winter, Arizona will likely see sustained ...

Knowledge Enterprise is the engine that drives discovery and innovation at Arizona State University, one of the fastest growing research institutions in the U.S. We empower researchers, forge ...

The region, including southern California, is the driest it has been since the year 800 after a decade-long “megadrought”, ...

A series of deadly wildfires in the greater Los Angeles area were still burning fiercely over the weekend, decimating entire communities.

A detailed analysis found La Niña began in December 2024 with a weak La Niña favored during the rest of this winter.

Most climate scientists are certain that global warming has played a critical role in the California wildfires, despite political posturing.

Global temperatures in 2024 soared to yet another record level, but this time it was such a big jump that Earth temporarily ...

La Niña could give way to neutral conditions by spring, but in the meantime, it could keep Arizona warmer and drier.

The pattern had been predicted to form for several months, and weak La Niña conditions were finally officially met this week.

All of Southern California, between Kern County and the borders with Arizona and Mexico ... there is a caveat: the onset of ...