for Arkansas, northern Mississippi, West Tennessee, southwestern Kentucky and southeastern Missouri, the first occurrence of back-to-back high risk days since 2006. Activity began in the afternoon on the warm front, where a destructive tornado touched down in northeastern Mississippi with severe damage near Ripley. Yet again, another PDS Tornado watch was issued for Arkansas, Louisiana, and Texas. May There were 290 tornadoes reported in the US in May, of which 304 were confirmed. The higher final total is due to a large number of late reports. May 6 At least 51 people were killed after a tornado, hail storms, gale-force winds and torrential rains causing mudslides hit southern China, damaging thousands of homes and destroying crops. The number of people killed by the tornado itself is unknown. Twenty-nine people were killed in Chongqing municipality, where the tornado is reported to have occurred. May 10–13 An intense trough with dry line activity moved across the southern plains, especially Oklahoma and Kansas, on May 10. For the fourth time in less than three weeks, a high risk of severe weather was issued. Large tornadoes began developing in the mid-afternoon hours in northern Oklahoma, with significant damage in Medford, Oklahoma, by an EF3. Another tornado touched down near Yukon, Oklahoma, in the western part of the Oklahoma City metropolitan area, followed by numerous others in the area. A trailer park was flattened near Norman, Oklahoma, according to KWTV coverage, with at least one fatality and many injuries reported. This tornado was soon rated as an EF4. Within three hours, at least 34 reports of tornadoes, including a few "large and extremely dangerous" tornadoes, were reported. A large grocery store along Highway 9 near Norman was flattened by a large tornado. A long-lived supercell tracked parallel to Interstate 40, and produced one or more large and destructive tornadoes from the Oklahoma City metro area through eastern Oklahoma. Activity slowed down the next day as only 2 tornadoes were reported in Ohio. However, on May 12, tornado activity increased. A dry line moved through west Texas, causing multiple tornadoes in Texas, Kansas, and Oklahoma. Finally, on May 13, the dry line dissipated, but many tornadoes still formed on that day. One tornado in Missouri was rated an EF1 after it destroyed a casino park and a Pizza Hut location. Activity died down the next day as now flooding was more associated with the storm system