| SHEET | Kind of lightning |
| FLASH | Rush of water; bolt of lightning; burst of illumination; collective group of paparazzi; or, a sci-fi superhero (5) |
| BOLT | A roll of fabric or wallpaper as a unit of measurement; the world's fastest man; or, a flash of lightning (4) |
| FORK | Zigzag of lightning; an acoustic resonator; a type of double attack in chess; or, an item with tines which forms part of a canteen (4) |
| SHAFT | Vertical passageway into a mine; ray of sunlight; a bolt of lightning; the rachis of a feather; or, an arrow (5) |
| TERAWATT | Unit of power approximately equal to the peak discharge of a bolt of lightning (8) |
| YEARS | "John F. Kennedy: ___ of Lightning, Day of Drums" (1966 documentary) |
| NINTH | Streak of lightning over part of golf course |
| THUNDER | Feared by an astraphobe, a sound caused by the rapid expansion of heated air around a bolt of lightning (7) |
| INDRA | White elephant-riding Hindu god of thunder and war who uses a rainbow as a bow to shoot arrows of lightning (5) |
| FRANKLIN | American polymath known for his discovery of the electrical properties of lightning, among other things (surname only) |
| STREAK | A flash of lightning or the course or line it takes; a swift dash; or, a band of contrasting colour (6) |
| TROLLS | Folklore beasts said to be afraid of lightning because of legendary battles with Thor |
| FIREBALL | An orb of lightning; a sphere of flames or burning gases; a bright exploding meteor, aka a bolide; thus a human dynamo or powerhouse (8) |
| BOLTS | Word for crossbow arrows; stout pins or screws; sliding bars in locks; rolls of cloth, linen or wallpaper; white flashes of lightning; or, sprints, such as those executed by runner Usain (5) |
| AHAS | Sudden bolts of lightning |
| THUNDERBOLT | Discharge of lightning |
| THUNDERING | Tremendous response to flash of lightning? |
| THOR | Event horizon conceals source of lightning (4) |
| NEWSFLASH | Report of lightning strike? (4,5) |
