The University of Arizona

Monthly Archive | CLIMAS

Monthly Archive

Southwest Climate Outlook December 2018 - Climate Summary

Tuesday, December 18, 2018

November Precipitation and Temperature: After a wetter- and cooler than-average October, November was closer to long-term averages. Precipitation ranged from average to below-average in Arizona and New Mexico (Fig. 1a). Temperatures were mostly within the range of average, with some below-average observations in eastern New Mexico and the Four Corners region, and with a region of above-average temperatures on the Arizona/California border (Fig. 1b). (read more)

Southwest Climate Outlook El Niño Tracker - December 2018

Tuesday, December 18, 2018

Sea-surface temperatures (SSTs) are above-average across the equatorial Pacific (Figs. 1-2). The coupling between oceanic and atmospheric conditions that typically characterizes an El Nino event continues to be lacking, however, as atmospheric conditions lag behind. Forecasts and outlooks remain bullish on the emergence of an El Niño, and project atmospheric conditions to catch up with oceanic conditions. (read more)