These are tornadoes that were given the wrong rating: Harper, Kansas(May 12, 2004): Was given a high-end F4 rating because of its slow stationary movement but clearly did F5 damage to a house. Extreme vegetation scouring and tree debarking was observed as well. Westminster, Texas: Rated high-end F3 but clearly produced high-end F4 damage. Extreme vegetation scouring, vehicles were thrown and mangled beyond recognition, houses that were not bolted down properly were swept away, and small plants and shrubs were ripped out of the ground.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 11 |