Overview
- Veracruz activated a Gray Alert as Cold Front No. 25, driven by Arctic air and an atmospheric river, brings heavy rain of up to 70–150 mm, violent Norte winds up to 110 km/h, and coastal waves of 4–6 meters through midweek.
- Mexico’s meteorological service and Conagua warned of a sharp temperature drop with possible snow or sleet on high peaks including Pico de Orizaba and Cofre de Perote, plus hazardous gusts extending toward the Isthmus and Gulf of Tehuantepec.
- Mexico City’s risk agency issued Yellow Alerts for winds of 50–59 km/h in nine boroughs Monday evening and for early‑Tuesday lows of 4–6°C in six southern and western boroughs.
- In Argentina, the national forecaster signaled a late‑year heat surge with highs near 39–40°C in Rosario and around 37–38°C in Córdoba and Mendoza, alongside multiple yellow alerts for storms, wind and rain across provinces including Formosa, Misiones, Chaco, Salta, Chubut, Santa Cruz and Tierra del Fuego.
- Corrientes remains in emergency after intense rainfall and river crests led to at least 413 evacuations, with Gendarmería and Prefectura assisting and residents reporting service disruptions and criticizing delayed hydraulic works.