TY - JOUR A1 - Malamud, B. D. A1 - Turcotte, D. L. T1 - Statistics of severe tornadoes and severe tornado outbreaks JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 18 SP - 8459 EP - 8473 Y1 - 2012/09/20 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/12/8459/2012/ L1 - http://www.atmos-chem-phys.net/12/8459/2012/acp-12-8459-2012.pdf DO - 10.5194/acp-12-8459-2012 ER -