The strong wind on Sunday caused extensive soil erosion. The problem was the worst in northeastern North Dakota into northwestern Minnesota where it has been the driest in the past few weeks. Many of the snow events in March and April tended to drop little or no snowfall into that part of the region. In turn, the top soil is quite dry there. Because that area has been wet the past couple of years, the subsoil moisture is mostly adequate, but the top few inches being so dry blew into drifts on Sunday with the frequent wind gusts over 40 mph. Not much rain is expected the rest of the week but that will likely be changing soon.