The Civil Defense of the State of São Paulo and Inmet (National Institute of Meteorology) issued this Tuesday (16) an orange danger alert for heavy rain, with lightning and hail, in Greater São Paulo, on the north and south coasts and in Baixada Santista this Wednesday (17).
According to meteorological institutes, a cold front from the ocean arrived in the state, bringing heavy rains. Throughout the afternoon, the advance of the front along the coast of São Paulo is expected to intensify instability, favoring the appearance of widespread storms, accompanied by lightning and gusts of wind.
The highest volumes of rain are expected over the coastal strip, particularly in the Baixada Santista and the northern coast, where accumulation increases the risk of flooding, flash floods and landslides. This Tuesday, the region has already suffered a storm. In São Sebastião, for example, it rained 146 mm in 12 hours at the Toque-Toque Pequeno station.
The CGE (Climate Emergency Management Center) of the city of São Paulo points out that the cold front is moving away from Greater São Paulo throughout the day, but the humid winds from the ocean are still causing a lot of cloudiness, drizzle and drizzle, which should moderate temperatures.
Temperatures are expected to reach 15°C in the morning and a maximum of 22°C in the afternoon. In Campos do Jordão, in the Serra da Mantiqueira, the expected minimum is 12°C and the maximum is 17°C. The temperature will only rise again, according to meteorology, on Friday (19).
In other parts of the state, according to Inmet, the scenario will be similar to that of the capital, with isolated showers expected at any time of the day. Regarding the temperature, it should be milder in these places too, with maximums of 22°C in Sorocaba and 26°C in Ribeirão Preto and Presidente Prudente.
In this central region of the state, Inmet’s warning is yellow, for potential danger, gales, with wind gusts expected between 40 km/h and 60 km/h.
Just like the coast of São Paulo, the entire state of Rio de Janeiro, southern Minas Gerais and Espírito Santo are expected to receive a significant volume of precipitation this Wednesday. Inmet has therefore issued a red alert, of great danger, precisely for these regions outside of São Paulo.
For these localities, which include the mountainous region of Rio and the forest area of Minas Gerais, forecasts predict precipitation above 60 mm per hour or above 100 mm per day, which creates a great risk of major floods and river overflows, large landslides on slopes, in cities with such risk areas.
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