Second-generation Lumina tornado Chaser emergency service (tornado Chaser emergency service vehicle,in production tornado day 2011-present,first gen tornado day 2011-16,second gen August 23 2017-present,in service August 16 2010-present): hi I'm tornado Chaser emergency service team vehicle I'm helping people who injured I'm in use by tornado Chaser emergency service team (known TCEST,operational August 13 2011-present)