Martell: Welcome Rains for Dry Brazilian Growing Areas

September 24, 2012 04:40 AM

The following content was provided by meteorologist Gail Martell of 

Welcome Rain Reaches Dry Brazil Crop Growing Areas

Around 30 millimeters (1.2 inches) developed in parched growing areas of Brazil over the past several days, the first important rain of the spring season. Parana was largely bypassed, a key farm state important for Brazil corn and soybean production. Southwest Parana still has an 8-inch soil moisture deficit in the 90 days back to June 21. Mato Grosso received generous rainfall, the first important rainfall this spring, perhaps heralding the start of the wet monsoon season. Welcome rain is predicted this week in Brazil’s Midwest region Sao Paulo, Mato Grosso do Sul and southern Mato Grosso.

South American Weekly Rainfall

Severe Midwest Drought a Worry for 2013 Crops

Midwest corn and soybean harvesting has made rapid progress this fall, but the dry weather promoting harvesting perpetuates a very serious drought. North-Central United States is extremely dry in key corn states Iowa, Nebraska and Minnesota. Surrounding farmland also is exceptionally dry in northern Illinois, Wisconsin, Missouri, and eastern parts of South and North Dakota. Soil moisture deficits of 6-9 inches have built up in the recent 90 days. To put this into perspective, Iowa would need 50% above-normal rainfall in the 7 months October through April to completely restore field moisture for spring planting in 2013.


Canada Harvesting Making Good Progress

Dry September weather in the Canadian prairies has promoted rapid drying and harvesting of crops in the prairie provinces. As of September 18, Alberta cereal crops were 60% in the bin, 21% swathed and 19% still standing. Saskatchewan grains were 74% harvested and 20% swathed or ready for straight-combining. Manitoba’s harvest was virtually finished by September 10. Reports of low yields continued as harvesting advanced. Hot July temperatures were to blame. Widespread disease was damaging to crop yields in northern Saskatchewan and northeast Alberta, where persistently wet weather plagued crop development. Despite episodes of September frost, no significant freeze damage was reported.

Northwest US  Canadian Prairie Dryness


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