Severe floods near Buenos Aires, Argentina (400 mm), while N Argentina, Paraguay, Bolivia, Brazil with heatwave
Marek Kučera 
May 2025 is in a wider La Plata region, mainly northern Argentina, Paraguay, Uruguay, southern Bolivia and southernmost Brazil, very warm so far.
In 2 weeks, Winter 2025 in South America is starting /https://mkweather.com/winter-2025-forecast-for-south-america-la-nina-aao-pdo-psa-dakar-nina-ao-nao-iod-amo-qbo-to-hot-and-dry-southern-brazil-bolivia-paraguay-stormy-rainforest-colombia-venezuela-gu//, but northern Argentina is still reporting +34°C and +23°C nights.
More southward, near Buenos Aires, severe floods after storms with 400 mm rainfall appeared and 4100 people were evacuated between 16.-18. May 2025.
A gradient for hot inflow from the continent is creating between low pressure above Patagonia and high pressure eastward from the La Plata coast.
Strong positive precipitation anomalies are reported mainly from Amazon and south-Central Chile, but overall, stormy northern third of the continent is predicted in the following months thanks to La Nina.
COMPOSITES FOR THE FIRST HALF OF MAY 2025 IN SOUTH AMERICA
May 2025 in South America, so far. Source: https://psl.noaa.gov/data/composites/day/
HEATWAVE IN ARGENTINA, PARAGUAY, BOLIVIA, BRAZIL
400 MM RAINFALL AND HEAVY FLOODS NEAR BUENOS AIRES, ARGENTINA
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