The 2013 Moore tornado was a deadly tornado that occurred on the afternoon of May 20, 2013. The EF5 tornado, with peak winds estimated at 210 miles per hour (340 km/h), impacted Moore, Oklahoma, and adjacent areas. Esri's mapping technology and demographic data provided up-to-date information about the storm's powerful impact to people and infrastructure. For media inquiries, contact us at newsmaps@esri.com.