An intense supercell developed southwest of Greensburg Kansas around sunset on May 4th. After causing extreme damage in Greensburg Kansas, the storm tracked slowly northeast and eventually affected Barton, Rice and Ellsworth Counties after midnight. This storm produced tornadoes across Barton and Rice counties which caused major damage to trees and a minor damage to a few homes.
Radar imagery showed a pair of storm relative velocity couplets (inbound winds right next to outbound winds) as they moved northeast across the county. Fortunately, the tornado that was bearing down on Main St. in Claflin lifted just outside of town. The damage to the grain bins and trees across the small community were due straight line winds produced from the rear flank downdraft.
However, homesteads to the southwest of Claflin did not fair quite as well. Images below are of a house approximately 1 1/2 miles SW of Claflin that received some minor damage to the roof. The barn that was situated just to the west sustained major damage. Image 6 shows a barn that was completely destroyed by the tornado. This location was about 2.5 miles SW of Claflin.
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Both tornadoes were given the rating of EF1 on the new Enhanced FujitaScale.