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SMN Issues Alerts as Santa Rosa Cyclogenesis Targets Central Argentina This Weekend

Forecasters warn of intense rain with dangerous gusts, highlighting AMBA for exceptional accumulations.

Overview

  • SMN projects the system to arrive Saturday, intensify into Sunday, and produce heavy rain, hail and strong electrical activity across the central region.
  • Accumulations of 40–70 mm in a few hours are possible in affected areas, with the Buenos Aires metropolitan area potentially surpassing 100 mm on Sunday.
  • Yellow and orange alerts cover multiple provinces, including Buenos Aires, Santa Fe, Entre Ríos and Chaco, with impacts also expected in Mendoza, San Luis, La Pampa and Córdoba.
  • Winds could exceed 50 km/h, and officials urge people to stay under cover, avoid flooded or coastal areas, cut power if water threatens homes, and never drive through flooded streets.
  • In Córdoba, SMN expects strong afternoon and evening gusts Thursday into Friday and a turn to storms from Saturday into Sunday, while separate AEMET-based forecasts show cloudy, light rain across Galician towns on Friday.