1
See the flash
Quickly point the top of your iPhone toward the lightning and tap See Flash.
For iPhone
Lightning Locator
Estimate a lightning strike’s approximate distance and location using the flash you see, the thunder you hear, and the direction you point your iPhone.
See it. Hear it. Estimate it.
2
Hear the thunder
Tap again when you hear thunder. Lightning Locator uses the elapsed time to estimate distance.
3
View the estimate
See the estimated distance and approximate strike location on a map, based on your position and heading.
Lightning safety comes first.
Observe lightning only from a substantial building or a fully enclosed metal-topped vehicle. Lightning Locator provides rough estimates, not verified strike locations, and is not a lightning warning or safety-alert system. Follow official weather warnings.