(La Crosse, MN) — The National Weather Service has confirmed four more tornadoes in last Wednesday’s historic derecho that roared across southeastern Minnesota.  A total of 13 tornadoes have been recorded in the swarm.  All of these most recent tornadoes were rated EF-One and mostly caused damage to barns and farm outbuildings.  One hit south of Winona, two others were recorded in western Fillmore County and the fourth was in northern Houston County.