Hakura said the Turkish military wanted to conduct a surprise attack against the PKK prior to the springtime, when violent attacks tend to escalate, and when the snow in the mountainous border region leaves the fighters' footprints.
Some of the buses that carry low income tourists and Argentine guest workers into Chile from the other side of the border stopped to let passengers out in the snow.
On Wednesday the system left a rare thin layer of snow across the deserts of Arizona, New Mexico and Southern California -- as far south as the border with Mexico.