(Tornado activity) can be above (state average).Logical formLearned from4 sentences. An area may be damaged by a tornado.Logical formLearned from4 sentences. A (weather system) may spawn a tornado.Logical formLearned from4 sentences. A tornado may move across open fields.Logical formLearned from4 sentences. A tornado may result in damage.Logical formLearned from4 sentences. (Tornado formation) can be a process.Logical formLearned from4 sentences. A tornado can be visible.Logical formLearned from4 sentences. Winds can be in a tornado.Logical formLearned from4 sentences. A (tornado watch) may be issued by a weather-service.Logical formLearned from4 sentences. A tornado may spin.Logical formLearned from4 sentences. A tornado can be a windstorm.Logical formLearned from4 sentences. A tornado may enter a US-city.Logical formLearned from4 sentences. A (tornado warning) can be timely.Logical formLearned from4 sentences. A (tornado outbreak) can be likely.Logical formLearned from4 sentences. A home may be damaged by a tornado.Logical formLearned from4 sentences.