This is left to the random vagaries of weather, and will eventually occur in the right combination with the other factors to allow a Hurricane to form. (neven1.typepad.com)
That capacity, we can now see, has been severely impaired by urban growth in the Sunbelt since World War II, and is likely to be further impacted by the vagaries of weather shifts.» (fieryfoodscentral.com)
«It will always be subject to the vagaries of the weather». (afr.com)