Overview

• Mexico’s national weather service forecasts very heavy to intense rain of 75–150 mm from September 15–17 in zones that include Veracruz, Oaxaca, Chiapas, Tabasco and parts of Sinaloa.
• Associated hazards in Mexico include electrical storms, hail, strong gusts and high coastal waves, with officials advising residents to avoid flood‑prone areas and prepare emergency kits.
• Argentina’s meteorological service reported a storm developing near Posadas on September 15 with rainfall, lightning and strong wind gusts expected to continue into Tuesday.
• A yellow alert is in effect on Tuesday for persistent rain in northeast Chubut, where 30–50 mm is expected with possible local exceedances and a chance of rain‑snow mix at higher elevations.
• Local AEMET‑based forecasts in Galicia, Spain, point to mostly cloudy, mild conditions with only light morning precipitation on September 15, contrasting with the heavier events in the Americas.