| Distance / Altitude | Location | Report Date / Time | Live Weather | Wind | Gusts | Temp. | Visibility | Cloud |
|---|---|---|---|---|---|---|---|---|
| 8 km SE / 41 m | thunderstorm affecting Commack (United States) | 2026-05-20 18:45 local (2026/05/20 22:45 GMT) |  Thunderstorm | (- km/h at -) | — | |||
| 9 km SE / 283 m | Brookhaven Lab Airport (New York) | 2026-05-20 17:35 local (2026/05/20 21:35 GMT) |  - | wind obs. (11 kph from 100 degs) was rejected (- km/h at -) | 33°C | 16 | few | |
| 9 km NNE / 0 m | lightning 5km NNW of Fort Salonga (United States) | 2026-05-20 18:15 local (2026/05/20 22:15 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 10 km N / 0 m | lightning 5km NE of Eatons Neck (United States) | 2026-05-20 18:19 local (2026/05/20 22:19 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 15 km E / 37 m | thunderstorm affecting Smithtown (United States) | 2026-05-20 18:45 local (2026/05/20 22:45 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 15 km NE / 0 m | lightning 5km NNW of Nissequogue (United States) | 2026-05-20 17:46 local (2026/05/20 21:46 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 15 km E / 48 m | thunderstorm affecting Village of the Branch (United States) | 2026-05-20 18:48 local (2026/05/20 22:48 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 16 km S / 218 m | Farmingdale Airport (New York) | 2026-05-20 16:53 local (2026/05/20 20:53 GMT) |  Dry and partly cloudy | light winds from the S (9 km/h at 190) | 28°C | 16 | broken | |
| 16 km ESE / 18 m | thunderstorm affecting Nesconset (United States) | 2026-05-20 18:45 local (2026/05/20 22:45 GMT) | Thunderstorm | (- km/h at -) | — | |||
| 17 km ESE / 18 m | thunderstorm affecting Hauppauge (United States) | 2026-05-20 18:45 local (2026/05/20 22:45 GMT) | Thunderstorm | (- km/h at -) | — |
* NOTE: not all live weather reports for Greenlawn update at the same frequency which is why some locations can show data from stations that are more remote if the report is more recent than known closer ones. We also include live weather reports from ships and buoys if data are submitted close to Greenlawn, United States and within an acceptable time window.
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