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Drying out in Argentina

Yesterday was the eighth day in a row in which a very big part of the main Argentine corn and soybean area had dry weather. Such conditions were badly needed coming off of a September-October time frame that was so incredibly wet for a big part of that area.

Lately we have seen several private firms lowering their expectations for Argentine corn production this year because of that wet weather. Helping to dry things out as of late has been warmer temperatures, with yesterday easily the warmest day of the season so far with most of Argentina seeing high temperatures above the 90-degree mark.

Dry weather will continue for today and for some areas tomorrow, and temperatures will stay above 90 degrees. We are, however, looking at another very significant and very widespread rain event moving from south to north across Argentina for tomorrow and Friday, easily enough to stop fieldwork operations again. The very biggest rains from that system will probably be over Buenos Aires, the state that has been hit the hardest by the big rains of recent weeks.

While that rain system of tomorrow/Friday will be similar to those that we saw in September/October, the difference this time is that we will quickly return to dry conditions again. Most of the main Argentine corn and soybean areas are dry by Saturday, and that dry weather may very well last into the end of the 6- to 10-day forecast period (or longer).

Needed drying has also been seen as of late in southern Brazil (yesterday was the sixth straight day of mostly dry weather in Rio Grande do Sul), and very limited rains will fall there over the next 10 days. We have started to see needed rains fall recently in northern growing areas of Brazil, and there is more where that came from with heavy rains possible through the end of the weekend in eastern Mato Grosso, Goias, Sao Paulo, Minas Gerais, and Bahia.

Freese-Notis Weather, Inc. Des Moines, Iowa Copyright 2012 - All Rights Reserved

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