Overview
- Argentina’s meteorological service kept yellow storm alerts active across roughly 19 provinces on Dec. 29, warning of heavy rain, hail, intense lightning and wind gusts near 70 km/h.
- Corrientes logged about 300–400 mm in 48 hours in San Luis del Palmar, with at least 413 evacuees as provincial, federal and health agencies coordinate relief and monitor the Paraná and Uruguay rivers.
- Concurrent yellow heat alerts covered the Buenos Aires metropolitan area and central-western provinces, with highs near 35–38°C and official guidance to mitigate health risks.
- Forecasters expect recurrent storms across the north and west through Wednesday, with potential impacts on holiday travel and New Year’s Eve activities.
- Meteorologists reported December rainfall above average in the northwest and linked the pattern to the Alta Boliviana and La Niña, indicating elevated storm and flood risk into early 2026.