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18. Indicate whether flames or streamers emerged from it, and describe them
19. Location, distance, and height of phenomenon when first observed
20. Apparent size of phenomenon
21. Rotation, if any, observed
22. Colors
23. Brightness
24. Smoke or vapors emitted (color, odor, form, etc.)
25. Odor (during and after occurrence of phenomenon)
26. Heating effects, if any
27. Physiological effects
28. Mechanical effects
29. Electrical or magnetic effects
30. Sounds accompanying original appearance and life-span of phenomenon
31. Path taken by "ball lightning," including height and location during its life span
32. Movements of observer during phenomenon (including movements of head and eyes, if possible)
33. Speed of motion of "ball lightning"
34. Duration of phenomenon and duration of period of observation
35. Indicate any special conditions observed to attend beginning of phenomenon
36. Indicate conditions observed at time of ending of phenomenon
37. Traces, if any, left after dissipation
38. Psychological effect on observers
39. Was sound like that of thunder heard at time of its disappearance? Describe its intensity and character