A rescue worker and his dog during search operations following the tornado
On the afternoon of 20 May 2013 a devastating tornado struck Moore, a suburb of Oklahoma City with a population of 59,000. The Moore tornado was classed as EF5, the highest rating, with winds estimated at up to 340 kilometres per hour (see Box 1).
The tornado stayed on the ground for 40 minutes over a 27-km path and was 2 km wide at its peak, creating widespread destruction. Ben Holcomb, a professional storm chaser, said: ‘This was by far the worst storm I’ve ever seen.’ Another witness likened the tornado to ‘a giant black wall of destruction.’
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