SNOW ROLLERS:  Nature's way to "mirror" man-made bails of hay!  Cylindrical masses of snow that form when wind picks up snow moist enough to be cohesive and rolls it down a slope.  While not uncommon in mountainous or hilly regions, it is a bit unusual for this late in the year.  [Adapted from Glossary of Meteorology, AMS publication]

Snow Rollers from the PNW!  A fellow WxCafé^® patron shared this info.  Image, courtesy of Tim Tevebaugh, taken March 31, 2009.  Please, click on this NOAA link for the full story.