About This Tool
Calculate the distance to a lightning strike using the time delay between flash and thunder.
Calculate the distance to a lightning strike using the time delay between flash and thunder.
Distance (km)
3.43 km
Distance (miles)
2.13 mi
Safety Recommendation
Close strike. Stay indoors and avoid using corded electronics. Wait at least 30 minutes after the last thunder before going outside.
Calculate the distance to a lightning strike using the time delay between flash and thunder.