As the air moves eastward, it encounters a second set of mountains in B.C.'s interior. This process repeats a second time at this mountain range. So more water has been rung from the Pacific air,resulting in still warmer weather that is approaching Alberta. As the air approaches the Rocky Mountains, the process begins a third time. The Chinook wind is a welcome winter rest from the regular winter weather.
Residents dig deep into their closets and haul out their spring and fall garments.
For a few days they enjoy the warm, sunny weather before encountering winter again.