CALEDONIA. Minn. – A fast-moving storm cell that generated horrendous winds tore up trees, power lines, barns and farm outbuildings northwest of Caledonia. The storm hit about 11:45 a.m. Houston County deputies found the worst damage when they were called to a tree that crashed into power lines. Sparks were arcing. This was on Prairie Ridge Road a couple miles from town between county roads 1 and 10. Similar damage was reported near Harmony 30 miles west in Fillmore County. Radar showed no tornadic activity.