Smoke from fires in the Amazon and other regions of Brazil has spread across several parts of the country, affecting air quality in places far from the areas of origin. Giovanni Dolif, a meteorologist at the National Center for Monitoring and Alerts for Natural Disasters (Cemaden), explained in an interview with CNN Brazil how this phenomenon occurs and what the prospects are for the coming days.
According to Dolif, the phenomenon known as “flying rivers” – air currents that normally transport moisture from the Amazon to other regions – is currently carrying smoke from the fires. “These flying rivers, which are now transporting smoke instead of moisture, line up ahead of the cold front heading southeast,” the expert explained.
Forecast for the next few days
The meteorologist predicts that air quality will worsen on Thursday, with the arrival of a new cold front. “When this cold front approaches on Thursday, the amount of smoke should increase, because this channel, instead of going south, will come straight to São Paulo,” warned Dolif.
Furthermore, the expert highlighted that, before the arrival of the cold front, weather conditions can favor the spread of local fires. “A lot of smoke comes, it gets hot, with hot winds. So any small fire in the vegetation here in the interior of São Paulo spreads and spreads very quickly,” he explained.
Prospects for improvement
Despite the worrying scenario, Dolif brought good news. After the cold front passes, a significant improvement in air quality is expected. “When it passes and the wind turns from the south, then it improves. Also because there should be some rain and this rain helps to clean the atmosphere”, said the meteorologist.
The predicted rainfall will play a key role in cleaning the air, removing toxic particles and gases from the atmosphere. Although this precipitation may initially be slightly acidic due to the presence of pollutants, the end result will be beneficial, with a significant improvement in air quality after the weather event.
The observed phenomenon highlights the complexity of the interactions between fires, climate and air quality, highlighting the need for constant monitoring and effective actions to combat sources of atmospheric pollution in the country.
Check out the full interview:
This content was originally published in Cemaden Meteorologist: “Flying Rivers” Spread Smoke Across Brazil on the CNN Brasil website.
Source: CNN Brasil
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