A severe storm brought heavy rain, hail, and strong winds to the Greater Buenos Aires area on the last Friday of July [1, 2].

The intensity of the weather event disrupted critical infrastructure and transportation, highlighting the vulnerability of the region's drainage and power systems during extreme meteorological phenomena.

Authorities issued an orange alert for locally severe phenomena as thunderstorms swept through the Área Metropolitana de Buenos Aires, known as AMBA [1, 2]. The storm system produced intense rainfall and strong gusts that left several streets submerged in water [2, 3]. In some areas, the flooding was severe enough to cause vehicles to float in the streets [3].

The impact extended beyond the immediate metropolitan area, affecting districts such as Lomas de Zamora and parts of the Santa Fe province [2, 3]. Residents reported significant damage to property and public spaces. Strong winds resulted in numerous fallen trees, which blocked roadways and contributed to widespread power outages across the region [2, 3].

Emergency responders worked to manage the aftermath of the temporal, which combined multiple hazards including hail, and torrential rain [1, 2]. The orange alert served as a warning that the most intense portion of the storm was expected to hit the region during the peak of the event [1].

Local authorities continued to monitor the situation as crews worked to clear debris and restore electricity to affected neighborhoods [2]. The combination of urban density in AMBA and the sudden volume of precipitation exacerbated the flooding in low-lying sectors of the city and its suburbs [2, 3].

The storm system produced intense rainfall and strong gusts that left several streets submerged in water.

The occurrence of an orange alert event in the AMBA region underscores the increasing challenge of urban water management in Greater Buenos Aires. When intense thunderstorms coincide with the region's specific topography, the resulting flash floods can paralyze transportation and disable power grids, necessitating more robust infrastructure to mitigate the impact of severe weather patterns.