WORCESTER (CBS) – Several tornado warnings were issued Thursday as a barrage of severe thunderstorms rolled through central and eastern Massachusetts Thursday morning and again in the afternoon.

The National Weather Service issued the first warning at 10:22 a.m. for Worcester, Webster and Whitinsville. That was expanded to part of Middlesex County a short time later. It was dropped shortly before 11 a.m.

Then, another round of tornado warnings popped up again in the early afternoon.

The weather service issued one at 12:49 p.m. for Lynn, Malden and Revere and eventually expanded that to include all of Essex, Suffolk and Middlesex counties until 1:45 p.m.

Then another separate warning was issued for Worcester County at 1:21 p.m. as another cell of storms appeared on the radar.

The Essex warning was dropped at 1:30 p.m. and the rest expired at 1:45 p.m.

A possible tornado may have touched down in Clinton. The Weather Service will survey the area.