HistoryData
general2023

Severe weather in Southeastern Brazil on November 3, 2023

November 3, 2023

The November 3, 2023 storm became the second worst storm-related power grid disaster in Brazilian history, leaving over 4 million without electricity.

Quick Facts

Year
2023
Category
general

Key Facts

Deaths
At least 8
Max wind speed (Santos)
151 km/h
Customers without electricity
More than 4 million
Power grid ranking
2nd worst storm-related disaster in Brazil
Affected region
State of São Paulo, Southeastern Brazil

By the Numbers

8
Deaths
151km/h
Max wind speed (Santos)
4
Customers without electricity
2
Power grid ranking

Location

Map of São Paulo, BrazilMap of São Paulo, BrazilSão Paulo, Brazil

Cause → Event → Consequence

Cause

A strong cold front moved into Southeastern Brazil, producing a squall line with exceptionally powerful winds. This meteorological system generated gusts reaching 151 km/h in the coastal city of Santos, creating conditions typical of extreme storm events in the region.

Event

On the afternoon of November 3, 2023, the squall line struck several cities across the state of São Paulo and broader Southeastern Brazil. The storm brought destructive winds and intense precipitation, causing fatalities and widespread infrastructure damage across the affected urban areas.

Consequence

At least eight people were killed, and more than 4 million electricity customers in São Paulo state lost power. The event was classified as the second worst storm-related power grid disaster in Brazil's history, exceeded only by the June 2020 Southern Brazil bomb cyclone.

Timeline Context

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