The University of Arizona

Dec 2021 - Seasonal Forecasts | CLIMAS

 SW Climate Outlook

Dec 2021 - Seasonal Forecasts

Dec 2021 - Seasonal Forecasts

Precipitation Forecasts: The IRI outlook calls for increased chances of below-normal precipitation across most of the southwestern U.S. and northern Mexico, (Fig. 7a). The CPC outlook calls for increased chances of below-normal precipitation across the Southwest (Fig. 8a).

Temperature Forecasts: The IRI outlook calls for mostly increased chances of below-normal temperatures in most of the southwestern U.S. and northern Mexico (Fig. 7b). The CPC outlook calls for increased chances of above-normal temperatures across much of the Southwest (Fig. 8b).