091119 532 The National Weather Service says that at least one tornado hit the city of Sioux Falls overnight and caused massive damage. The weather service confirmed an EF-2 tornado with winds of about 125 mph hit a portion of the city. They are examining a second area where a hospital complex suffered heavy damage to see if that also was a tornado or simply straight-line winds. The local fire chief says at least 37 buildings were destroyed or have structural damage mainly on the south and