A polar air mass is moving across Brazil's Centro-Sul region, bringing intense cold and a risk of frost to several states [1, 2].
This weather system threatens agricultural productivity and public health in the southern and southeastern regions, where sudden temperature drops can impact crop yields and increase the demand for heating and medical services.
The cold front is currently affecting the states of São Paulo and Minas Gerais, where minimum temperatures have fallen below 10°C [1]. Meteorologists said there is a specific risk of frost in the Serra da Mantiqueira region of the Southeast [1].
The polar air mass continues to intensify as it moves. In the South, temperatures are expected to drop further, with some areas potentially reaching 0°C [2].
While the cold is already present on Tuesday, the weather system is expected to maintain its influence through the latter half of the week. Reports said the cold front will continue to affect the region from Thursday to Saturday [2].
Local authorities are monitoring the situation as the system moves through Rio Grande do Sul and surrounding areas [1]. The arrival of this strong polar air mass is the primary driver for the current temperature collapse across the Centro-Sul [1, 2].
“Minimum temperatures below 10°C in parts of São Paulo and Minas Gerais”
The movement of a polar air mass into the Centro-Sul region demonstrates the vulnerability of Brazil's southeastern agricultural belts to sudden temperature swings. Frost in the Serra da Mantiqueira can damage high-altitude crops, while temperatures hitting 0°C in the South may trigger emergency municipal responses to protect homeless populations and livestock.
