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Ongoing Heat, Dry Weather Terminating Corn Yields

July 18, 2012

 

By Alex Sosnowski, Expert Senior Meteorologist for AccuWeather.com

The ongoing drought and Corn Belt disaster is likely to further drive down U.S. yields for 2012.

Despite the most acres of corn planted since the 1930s and high expectations this spring by the United States Department of Agriculture (USDA) for this year's crop, the 2012 yield is likely to be even lower than current official government forecasts.

In June, the USDA was projecting a record 166 bu./acre yields for corn. That projected yield has been pushed down to 146 bu./acre as of mid-July.

AccuWeather.com agricultural meteorologists expect this figure is likely to go lower and are projecting the yield to be around 138 bu./acre.

The lower yield compared to the USDA projection is based on AccuWeather's forecast of ongoing heat and drought conditions in areas from southern Illinois westward to Missouri, Iowa, South Dakota, Nebraska, Kansas, southern Wisconsin and southwestern Minnesota.

rainfall potential

Rain? Not Enough

While some rain has fallen on part of the Corn Belt recently, not enough rain fell on a broad area since July 13 to make much of a difference in long-term yields.

Central Minnesota was one of a few areas holding its own in terms of weather and expected output in the Corn Belt.

A few locations in Iowa, Illinois and Indiana received an inch of rain spanning July 13 to 15. However, the rain was expected and was indeed spotty as forecast.

Ongoing high evaporation rates on the order of one-third of an inch per day this time of the year are taking care of the rest. The majority of places in the Corn Belt received one-quarter of an inch of rain or less over the weekend.

A new heat wave and lack of rain was hitting corn and soybean growing areas in the Midwest the week of July 16, adding to the worst drought and impact since 1988.

temperatures

During most days this week, from southern Illinois, south to Arkansas, west to Nebraska and Kansas, high temperatures will range between 95 and 100 degrees.

Farther north and east in, high temperatures will range between 90 and 95 degrees into Wednesday with some relief from the heat later in the week. Spotty downpours will continue in part of the area.

 

It is too late for the corn crop in the southern areas.

Ongoing heat and dry weather in could terminate more of the corn in other growing areas of the Midwest and Plains in the coming weeks.

Lower yields than expected could continue to translate to higher prices per bushel.

The corn futures market this week was fluctuating near the record at approximately $8 per bushel.

This, in turn, will translate to higher prices for the ingredients that make up much of food supply from animal feed to processed products for human consumption.

Eventually, these costs will be passed along to the consumer in the form of higher food prices.

Fuel prices can also be impacted to a lesser degree, since gasoline in the U.S. contains between 5 and 10% ethanol, a product of corn.

 

 

 
For More Information
How do your crops look? Submit your report to AgWeb Crop Comments.

See how the drought is affecting corn prices in AgWeb’s Market Center.

Check your local forecast with AgWeb’s Pinpoint Weather.
 


 

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RELATED TOPICS: Corn, Weather, Crops, drought

 
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