Severe thunderstorms erupted across Eastern Oklahoma and Northwest Arkansas during the late afternoon and evening hours of May 10, 2008 as a cold front/dry line moved into the extremely moist and unstable airmass that was in place across the region. There were at least 11 tornadoes across the area with numerous hail and high wind reports. The most significant tornado occurred in Ottawa County, Oklahoma. This EF-4 Tornado caused extensive damage in the town of Picher, Oklahoma and resulted in 6 fatalities.

Below is a list of tornadoes confirmed by National Weather Service survey teams. Additional reports are still being investigated, and therefore, additional tornado paths may be confirmed. This website will continue to be updated with more information about each of the tornadoes listed below. At this time, details can be found in the 'Latest Information' link below. Click on maps for a larger view.