Thermobaric explosives apply the principles underlying accidental unconfined vapor cloud explosions , which include those from dispersions of flammable dusts and droplets . Previously , such explosions were most often encountered in flour mills and their storage containers , and later in coal mines ; but , now , most commonly in partially or fully empty oil tankers and refinery tanks and vessels , including an incident at Buncefield in the UK in 2005 where the blast wave woke people from its centre
an incident at Buncefield
Buncefield fire
Thermobaric weapon