Snow Rollers near Medical Lake, WA - December 30, 2008

Here are some additional photos of snow rollers found near Medical Lake in eastern Washington on December 30th 2008 courtesy of Ron Trees. While these snow rollers are not as large and well defined as the Camas Prairie snow rollers, it is easier to visualize how each one initially develops with the right combination of wind and snow conditions.

Click on the thumbnails below for a full-size image.