The signs of budding potential weather scares are already beginning to show, and it seems quite likely that this will be another year when futures price volatility will follow the seasonal trend.Last week we observed that grain and soy markets have been mired in fundamental bearishness for months and also noted that world demand for corn, wheat and soybeans in 2016/17 along with supplies of the same will all likely reach record levels (see Ag Perspectives, 20 April). The point was that despite this pervasive bearishness, there are bound to be other potential factors that shake it up as traders and markets contemplate 2017/18.There are some important corollaries to this with one being that nothing dampens market price volatility quite like l...