Proper noun
Vale of York
A large area of flat land surrounding the City of York in North Yorkshire, England.
Climate This region of England generally has cool summers and relatively mild winters, with the upland areas of the North York Moors and the Pennines experiencing the coolest weather and the Vale of York the warmest. Source: Internet
Radiation fogs occur at night, and usually do not last long after sunrise, but they can persist all day in the winter months especially in areas bounded by high ground such as the Vale of York in England. Source: Internet