Overview

• Argentina’s meteorological service activated orange and yellow advisories across central and northern provinces, with the Santa Rosa event expected to arrive Saturday night and peak on Sunday.
• Forecasts call for widespread 20–120 mm of rain with local maxima of 120–150 mm, plus electrical activity, hail and gusts that could reach 90 km/h in some areas.
• Targeted alerts include orange on Sunday for southern Santa Fe and parts of Córdoba, while AMBA, Rosario and Córdoba capital anticipate deteriorating conditions from Saturday night.
• Agricultural analysts at GEA/BCR warn the core farming belt—especially north and northwest Buenos Aires—could receive 90–130 mm, worsening saturated soils and risking wheat damage and maize sowing delays.
• In Mexico, SMN/Conagua projects very heavy rains from multiple systems with a low off Guerrero carrying cyclogenesis potential, CDMX maintains orange and yellow alerts with preventive drain cleaning, and risks include possible tornados in the north and dangerous coastal surf.