Overview
- The national meteorological service maintains orange heat alerts for parts of Entre Ríos and several departments in Córdoba, and for Mendoza, with expected highs around 33–35°C.
- Yellow storm alerts cover broad areas of the north and center, including Misiones, Formosa, Salta, Jujuy, Catamarca, Tucumán, La Rioja, Santiago del Estero and Córdoba, with 40–70 mm of rain possible in short periods, frequent lightning, hail and gusts near 70 km/h.
- A yellow wind alert spans the Buenos Aires Atlantic coast and nearby sectors into the Patagonian littoral, forecasting southerly to southeasterly winds of 40–65 km/h and gusts above 80 km/h that could raise wave heights and sea levels in exposed areas.
- Additional wind advisories include Río Negro, where southeasterly gusts may reach up to 90 km/h, and San Luis on Jan. 3 with winds of 50–60 km/h and gusts over 70 km/h during specified time windows.
- Authorities advise protecting vulnerable people from heat, securing loose objects, avoiding exposed coastal areas during peak winds, and monitoring SMN updates as alerts may be extended or upgraded.