Wet and dry weather shifting regions across South America
In a reversal of trends from the first half of the month, the second half of January 2021 brings a change to wetter weather in areas of southern brazil and far northeastern Argentina. Meanwhile, Southeast Brazil turns drier with drier trends in Central Argentina continuing. Substantial rain in South Brazil should help to replenish soil moistures while drier weather in main-producing states of Brazil, like Sao Paulo and Minas Gerais, will decrease soil moisture.
According to data from Weathertrends360, the first half of January 2021 was the one of the driest in over 30 years across South Brazil, including the states of Rio Grande do Sul and Santa Catarina, while states like Minas Gerais and Mato Grosso do Sul saw the third to fourth wettest first half of January in the same time frame. Those trends take a dramatic flip here in the second half of January trending the top three wettest months in 30-plus years for South Brazil, while this will be one of the driest ends to January in that same amount of time for portions of Southeast Brazil.
In Argentina, a wetter than normal first half of January 2021 across portions of the state of Buenos Aires gives way to a drier-than-normal second half of January in Buenos Aires and across much of Central Argentina. Wetter trends have shifted north in the second half of the month following a drier first half of the month, especially in northeastern Argentina.
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