An EF-0 tornado touched down in Berks County, Pennsylvania, on Tuesday as severe weather hit the Philadelphia region, the National Weather Service said.

Forecasters classified the twister as an EF-0 with 70 mph winds that damaged trees along its nearly one-mile path earlier this week.

It occurred during Tuesday afternoon’s severe thunderstorm and was followed by downdraft indicative of straight-line wind, a National Weather Service survey team concluded.