the Red River into southern Oklahoma, before going into Carter County at 7:10 pm CST (01:10 UTC). The tornado continued moving to the northeast for the next 15 minutes before striking Lone Grove, Oklahoma. The tornado then crossed Interstate 35 just north of the Prairie Valley Road exit ramp and tracked through rural areas of northeastern Carter County to the east of Springer, ending at 7:43 pm CST (01:43 UTC). February 11 The Storm Prediction Center issued a slight risk warning for February 11. The warning included parts of the Deep South, Ohio Valley, Midwest, and Appalachians. The risk of tornadoes was lower on February 11 due to a stronger front, which limited discrete supercell activity and decreased atmospheric instability. The "slight risk" was later upgraded to a "moderate risk" as a powerful squall line developed. Confirmed tornadoes February 10 event February 11 event Edmond, Oklahoma The second tornado to touch down during the outbreak formed at around 2:52 pm CST (20:52 UTC) about north-northwest of Edmond, Oklahoma. The tornado traveled towards the northeast, crossing into Logan County and dissipating at 3:05 pm CST (21:05 UTC). Following a survey by the National Weather Service, the tornado was estimated to have been about wide and was rated EF2. Most of the downtown residences were left without power after the tornado struck the area around 2:59 pm CST (20:59 UTC). Ten minutes earlier, tornado sirens were sounded as a tornado warning was issued for the area. Students who were being taken home by bus at the time were immediately taken to the nearest school for shelter. The schools were placed in lockdown for about two hours following the tornado sirens. In Edmond, six homes were destroyed, eight structures received major damage, 51 received minor damage and another 166 structures were affected. Some of the homes damaged by the tornado were estimated to be worth over $1 million. The Oak Tree Golf Club sustained severe damage, with numerous trees being uprooted. Hundreds of trees were uprooted or significantly damaged along the tornado's path. In Oklahoma County, the tornado left an estimated 28,500 people without power. Monetary damage numbers were not available. Lone Grove, Oklahoma At 6:45 pm CST (00:48 UTC), a large, violent wedge tornado – a tornado that is wider than the distance from ground to cloud base – touched down near the Red River, along the Texas-Oklahoma border. It crossed through