The University of Arizona

Monthly Archive | CLIMAS

Monthly Archive

Southwest Climate Outlook May 2019 - Climate Summary

Sunday, May 26, 2019

April Precipitation and Temperature: April precipitation was average to much above-average in most of New Mexico, while Arizona ranged from below-average to above-average (Fig. 1a). April temperatures were almost entirely above-average to much above-average across the Southwest (Fig. 1b), while temperatures so far in May have been mostly below-average. (read more)

Southwest Climate Outlook - El Niño Tracker - May 2019

Sunday, May 26, 2019

Seasonal outlooks highlight persistent sea surface temperature (SST) anomalies consistent with a weak El Niño event (Figs. 1-2), while other atmospheric and oceanic indicators such as convective anomalies and sub-surface temperatures are less definitive. The so-called ‘spring predictability barrier’ further limits certainty. Forecast discussions focus on how long the event will last and the potential for a second year of El Niño. (read more)