News
12/06/2022, 8:47 pm EST

South America Week 2-4 Outlook: Mostly dry and hot across the Argentina drought area.

Chart of the day: The Argentina “warm blob” Discussion: The Argentina “warm blob” is strengthening. Aloft, semi-permanent high-pressure should eventually anchor across this warm zone. During springtime, the upper-level high-pressure pattern was generally locked in this area. However, a temporary breakdown is likely in the 6-10-day period. Week-2 Valid December 12-18, 2022: Hot weather shifts into Western Argentina. Discussion: Next week, the hot weather pattern edges westward to Western Argentina. Dryness persists across Argentina. Eastern Brazil remains very wet with suppressed heat risk. Week-3 Valid December 19-25, 2022: Hot and dry across the Argentina drought zone. Discussion: Hot (and dry) weather shifts back to the core of the drought zone in Northeast Argentina. Week-4 Valid December 26, 2022-January 1, 2023): Still mostly hot/dry Northeast Argentina. Discussion: ECMWF maintains hot/dry bias across the Argentina drought zone.