For the past 30 years, the PDO has been in its negative phase, which leads to drought in the Southwest by reducing winter ...

The Southwest United States is currently facing its worst megadrought of the past 1,200 years. According to a recent study by ...

The worst megadrought in 1200 years is affecting the American southwest, and there's likely no relief coming anytime soon.

"Water managers need to start planning for the possibility that this drought isn't just a rough patch—it could be the new reality," said Timothy Shanahan.

John Wheeler: Other factors besides La Niña point to a cold and snowy winter The Pacific Decadal Oscillation reinforces the idea that our winter will likely be colder and snowier than average.

Pacific Decadal Oscillation: The PDO is another “big picture” weather pattern to look at, much like El Niño / La Niña. This teleconnection looks at the water temperatures in the North ...

Whether or not El Niño returns will be determined by a number of factors, one of which is the larger stage on which El Niño and La Niña play, the Pacific Decadal Oscillation (PDO).

Chiyu Zhao, Xin Geng, Wenjun Zhang, Li Qi, Atlantic Multidecadal Oscillation Modulates ENSO Atmospheric Anomaly Amplitude in the Tropical Pacific, Journal of Climate, Vol. 35, No. 12 (15 June 2022), ...

A new study has revealed how decadal-scale climate fluctuations impact the ability of climate models to simulate tropical cyclone frequency in response to El Niño-Southern Oscillation (ENSO) events.