Campos do Jordão experiences frost with 3.9°C low on July 9th holiday
Campos do Jordão, São Paulo, woke up covered in frost on Thursday, July 9th, recording the lowest temperature in the state at 3.9°C at 7 AM. This occurred after the National Institute of Meteorology (Inmet) issued a potential danger alert for frost in the Paraíba Valley and surrounding regions. While the temperature was low, it remained above the year's record of 2.1°C set on May 31st. Images captured by resident Marcelo Bueno showed a typical winter scene with ice coating cars, leaves, and vegetation in the Serra da Mantiqueira mountain range. The Inmet alert, valid from late Wednesday night into Thursday morning, predicted minimum temperatures near 3°C in cities like Campos do Jordão and São Bento do Sapucaí, with a slight risk to crops. Campos do Jordão, situated over 1,600 meters above sea level, consistently records the coldest temperatures in São Paulo during winter due to its high altitude. This year has seen several frost events in the city during cold snaps affecting the Serra da Mantiqueira. The Inmet monitors weather stations in only a few cities in the Paraíba Valley and Bragantina region, including Campos do Jordão, Taubaté, São Luiz do Paraitinga, Cachoeira Paulista, and Bragança Paulista, meaning other municipalities may experience cold and frost without official measurements.
The occurrence of frost in Campos do Jordão on July 9th highlights the predictable seasonal weather patterns in Brazil's Serra da Mantiqueira region. While the reported temperature of 3.9°C is notable for the state of São Paulo, it falls within the expected range for this high-altitude location during winter. The Inmet's issuance of a "potential danger" alert for frost, with a slight risk to crops, reflects a standard meteorological advisory system designed to inform local agriculture and residents. The mention of limited official monitoring stations in the broader region suggests that localized microclimates may lead to unrecorded temperature variations, underscoring the importance of localized observation and data collection for comprehensive climate understanding. This event serves as a reminder of the diverse climatic conditions within Brazil and the role of geography in shaping regional weather phenomena.
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