open winter
n.— «This was partly because Leavenworth was enjoying an “open winter”—meaning the severe weather had relented often enough on weekends to grant safe passage to tourists traveling east from Seattle.» —“In the Ruins of a Shop Full of Treats, a Blessing” by Dan Barry in Leavenworth, Washington New York Times Apr. 6, 2009. (source: Double-Tongued Dictionary)
Further reading
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...
After our conversation about the expression dingle day, a term used by workers at a research station in Antarctica to denote bright, sunny weather, a listener offers a possible explanation for this term. It may derive from the idea of the skies...