The University of Arizona
Monthly Archive | CLIMAS

Monthly Archive

La Niña Tracker - Jan 2017

Friday, January 20, 2017
Ben McMahan

Oceanic and atmospheric indicators of the El Niño-Southern Oscillation (ENSO) continue to indicate weak La Niña conditions that are in rapid decline. Most forecast agencies identified a likely end to La Niña conditions (and by extension, this La Niña event) by February. This is not surprising given many of the oceanic and atmospheric indicators of La Niña have been weak to borderline neutral for much of the last few months (Figs. 1-2). (read more)

Southwest Climate Outlook January 2017 - Climate Summary

Thursday, January 19, 2017
Ben McMahan

Precipitation & Temperature: December precipitation totals for the past 30 days were above average to much above average in Arizona’s climate divisions and were mostly above average in New Mexico’s climate divisions (Fig. 1a). December temperatures were much above average across most of southern Arizona and southwestern New Mexico, with mostly above-average temperatures across the remainder of the two states (Fig. 1b). A number of storm systems in so far 2017 have brought well above-average moisture to the region, although portions of Arizona have missed out on this precipitation (Fig. 2). January temperatures have been warmer than average across the Southwest and colder than average across the Northwest. (read more)