Lightning strikes in Massachusetts by county
The detection network has located 2,697 lightning strikes in Massachusetts since the archive began, including 2,081 in the last 7 days. The table counts every strike the network placed inside a county boundary. Another 1 strikes fell inside Massachusetts but outside every county polygon, mostly over coastal or lake water.
| # | County | Strikes | Last 7 days | Share |
|---|---|---|---|---|
| 1 | Worcester County | 1,067 | 1,029 | 39.6% |
| 2 | Berkshire County | 513 | 472 | 19.0% |
| 3 | Hampden County | 364 | 205 | 13.5% |
| 4 | Hampshire County | 271 | 143 | 10.0% |
| 5 | Franklin County | 244 | 29 | 9.0% |
| 6 | Essex County | 163 | 163 | 6.0% |
| 7 | Plymouth County | 46 | 24 | 1.7% |
| 8 | Middlesex County | 23 | 13 | 0.9% |
| 9 | Barnstable County | 3 | 1 | 0.1% |
| 10 | Dukes County | 1 | 1 | 0.0% |
| 11 | Norfolk County | 1 | 0 | 0.0% |
Strike positions carry the network's mean location error of about 5.6 km, so strikes near a county line can be filed one county over. Method and caveats are on the data hub; the full state table is on the United States page.
Watch Massachusetts's storms live
The live map plots every detected strike within seconds and times the thunder to your position.
Open the live map