Longest-lasting lightning flash
The current longest-lasting lightning flash record is 17.102 s, held by Megaflash over Uruguay and northern Argentina, set on June 18, 2020. Last checked October 9, 2026.
17.102
s
Megaflash over Uruguay and northern Argentina
- Holder
- Megaflash over Uruguay and northern Argentina
- Record
- 17.102 s
- Location
- Uruguay and Argentina
- Date set
- June 18, 2020
- Recognized by
- World Meteorological Organization
- Last checked
- October 9, 2026
Sources
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