Market Impact Weather

Harvey Impact Watch

Bryce Anderson
By  Bryce Anderson , DTN Senior Ag Meteorologist
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OMAHA (DTN)— Close attention to the impact of heavy rainfall from Hurricane Harvey, and an additional round of cool central U.S. temperatures, are the key weather items for the commodity trade's attention Friday.


The DTN ag weather forecast calls for Hurricane Harvey, in the western Gulf of Mexico, to make landfall near Corpus Christi, Texas, Friday night or early Saturday. Harvey is expected to make landfall as a Category Three hurricane with winds exceeding 100 mph. Harvey is expected to produce total rain Accumulations of 15 to 25 inches and isolated maximum amounts of 35 inches over the middle and upper Texas coast through next Wednesday. During the same time period Harvey is expected to produce total rain accumulations of 7 to 15 inches in far south Texas and the Texas Hill Country eastward through central and southwest Louisiana, with accumulations of up to 7 inches extending into other parts of Texas and the lower Mississippi Valley. Rainfall from Harvey will cause devastating and life-threatening flooding.

Severe flooding and wind damage is likely to affect unharvested cotton grown in southeast Texas and rice and sugarcane grown in southern Louisiana during the 5 to 7 day period. The extent of the damage will depend on the stage of the harvest activity in each location at this time.


Continued cool temperatures and variable rain across the Midwest remain in the forecast through the end of August. Showers will focus in western and northern areas. Any rain that does occur will be of most benefit to soybeans. Recently dry areas of the eastern Midwest have very little late-season precipitation indicated.


Southern Plains conditions are generally favorable. Light showers cross the region over the next five days. Attention will be given to the evolution of rain patterns related to Hurricane Harvey after the storm makes landfall on the Texas coast during the weekend.


In the Northern Plains and Canadian Prairies, scattered light to moderate rain may offer some benefit for soybeans. Rainfall is too late for filling corn to benefit. Warm conditions will favor later-filling canola at this time. Any showers appear to be too light to cause significant disruption to spring wheat harvest.

Bryce Anderson can be reached at


Bryce Anderson

Bryce Anderson
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