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Agronomic Crops Network

Ohio State University Extension


Increasing Variability In Rainfall

Ohio Weather Pattern 6-4-2018

As summer nears, the weather pattern supports an increasing risk of big differences in rainfall totals from too wet to too dry.

There is a growing risk of a heat dome developing off the drought area in the south central to southwest parts of the U.S. The heat dome will expand northeast into parts of the corn and soybean belt from time to time over the next several weeks. This means enjoy the cooler than normal weather this week. Storms will ride along the northern edge of the heat dome as it shifts north and south. This means locally heavy rain will be next to areas that get missed. The end result will be a wide variety of rainfall reports in June.

The June outlook calls for above normal temperatures and a wide variation in rainfall amounts.

Maximum temperatures do not look to exceed the 90-95 range on the hottest days due to overall decent soil moisture conditions so even though we expect above normal temperatures, extremely high temperatures do not look in the offering for Ohio.

Rainfall for the next two weeks will average close to normal of 2 inches but with a range from 0.25 inches in the driest areas to over 3-4 or more inches in the highest areas. See attached image from NOAA/NWS/Ohio River Forecast Center for more information on rainfall distribution across the entire corn and soybean belt.

Crop Observation and Recommendation Network

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.