Flash‑to‑Bang Lightning Distance – Seconds to Miles/Km
Tap when you see the lightning and tap again when you hear thunder. The tool calculates the distance and advises if you're in the danger zone.
UD5 Toolkit
Tap when you see the lightning and tap again when you hear thunder. The tool calculates the distance and advises if you're in the danger zone.
Tap when you see lightning, tap again when you hear thunder. Calculates how far away the storm is in miles/km. Important outdoor safety tool.