Weather: A warm, wet Olympics

As the Olympics begin, temperatures above freezing are predicted, possibly bringing rain to sites at lower elevations close to Vancouver. In the mountains around Whistler, skiers could confront rain at the base, fog on the chairlift and firm snow on the runs. Here’s a look at some of the key factors that contribute to persistently wet winters in southern British Columbia:

Los Angeles Times Staff

Sources: Environment Canada, NOAA, NOVA, Graphics reporting by Les Dunseith, Graphics by Doug Stevens, Interactivity by Itzu Chen, Los Angeles Times