Overview
- Authorities across the region, which posted Tuesday alerts for heavy rain, hail and strong wind, cautioned that some warnings extend into Wednesday and beyond as systems evolve hour by hour.
- Peru’s civil defense agency said 508 districts in the central and southern Andes face landslides and huaicos, a fast‑moving debris flow in steep valleys, with 277 districts at high risk and local officials urged to activate preventive measures.
- Argentina’s meteorological service forecast a new cyclogenesis over the Buenos Aires metro area with a wet, cooler Tuesday, while yellow alerts in Misiones and Córdoba warned of 30–80 mm downpours, frequent lightning, possible hail and gusts near 70 km/h.
- Mexico’s national forecaster warned of thunderstorms and hail in 10 states, and the water authority confirmed rain and 30–50 km/h wind gusts for Nuevo León and nearby states, with showers persisting through at least Friday in parts of the north.
- Agencies highlighted secondary hazards that can upend daily life, including flash flooding, rapid river rises, urban inundation and slope failures, and advised keeping clinics and fire stations staffed, clearing evacuation routes, and reinforcing roofs with simple community alert systems.