40. Tenerife Plane crash, 39. 1936 outbreak of the South, 38. 1962 Ash Wednesday Storm, 37. Hurricane Mitch, 36. Air conditioning, 35. 1888 Blizzard, 34. 2018 Camp Fire, 33. 1965 Palm Sunday tornado outbreak, 32. Hurricane Maria, 31. The windshield wiper, 30. 1998 Ice storm, 29. 1972 Buffalo Creek flood, 28. 2011 Joplin, MO Tornado, 27. Hurricane Irma, 26. Great Hinckley Fire, 25. Big Thompson canyon flood, 24. Satellites, 23. Hurricane Hunters, 22. 1928 Okeechobee Hurricane, 21. Superstorm Sandy.