Lightning

Every lightning strike near you, as soon as a satellite sees it.

Map

Every strike, colored by age.

The newest are red and white-hot, then orange and magenta, with a fading violet for the past hour. Radar sits underneath in the US. Scroll back through the hour, minute by minute.

Now1 hour
Map The Lightning map with strikes colored by age

Storms

Watch a storm happen.

Full-screen replays you swipe through. Your places' storms come first, then storms anywhere, each with how close it came and how many strikes a minute.

Storms A storm replay in Lightning

Hotspots

Where the planet is loudest.

A live heat field across the Americas, Europe and Africa, built from the strikes satellites just saw, plus the places struck most.

Hotspots Hotspots in Lightning

Compass

Point your phone at it.

The nearest storm's direction and distance, with your heading in degrees. Strikes from the last 10 minutes arrive around the dial.

Compass The Lightning compass pointing at a storm

Strike details

A feast of data on every strike.

Tap any strike for the satellite's own measurements: how long it took to reach us, how much light it gave off, how big it was, and which sensor saw it.

Strike A strike's own page with its measurements

GOES-19 GLM

Latency19.0 s
Optical energy170 fJ
Illuminated area72 km²
Duration100 ms
SensorGOES-19 GLM
Slant range38,420 km

Alerts · Lightning Pro

Alerts where you are and the places you save. How many, how far.

Pick a distance for each place, from 1 mi to 200 mi. Each alert says how many strikes and how far. At most one every 30 min per place, so one storm does not ring all afternoon. Alerts can be late or missed.

A Lightning alert on the Lock Screen
9:41Wednesday, October 7
Lightning Warning now3 strikes within 10 mi of Norwich in the last 15 min. Nearest 4.8 mi SW.
Storm Alert 2m ago24 strikes in 60 min within 25 mi of Durango.

Places

Your places, first.

Save the places you care about. Each has its own page: strikes within 25 mi by day, week, month and year, and its biggest storms.

Places Saved places in Lightning
Norwich, VT0 strikes within 25 mi in the last hour
Durango, CO37 within 25 mi · nearest 6.2 mi W
Lisbon0 strikes within 25 mi in the last hour

Lightning Pro

Know when it’s close.

Free shows the lightning. Pro tells you when it is close: alerts where you are and at up to 10 places, each with its own how many and how far.

$4a month
$25a year
$60Lifetime

Free on iPhone.

Get the appFree on iPhone
Download on theApp Store