SOUTHERN BRAZIL — A RED STORM ALERT FOR 158 MUNICIPALITIES

On the board · October 4, 2026 →

PEAK · October 4, 2026 · NO. 1004

THE RISK WINDOW

The red alert covers Paraná, Santa Catarina and Mato Grosso do Sul, with gusts above 100 km/h, hail and more than 100 mm of rain in a day possible. A yellow storm alert reaches from São Paulo to Rio Grande do Sul.

WHO IT TOUCHES

Public safetyBangkok's flood margin, a red over Catalonia, a moderate flood risk in South Texas and a red storm alert in southern Brazil.

AgricultureThailand's rice belt under flood and hail over southern Brazil's fields.

AviationIntense rain over Barcelona and South Texas, and storm gusts over southern Brazil.

EnergyFuel by barge on a low Rhine, and wind and hail on southern Brazil's grid.

CONNECTED

One storm belt — red storms in southern Brazil and orange storms across the border in Misiones..

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