A tornado warning was issued for Rockingham County in Southern N.H. Thursday afternoon when a rotation was detected in a storm between Hampton and Portsmouth.

“Basically what we’re indicating now is right before we issued the tornado warning Doppler radar indicated a strong rotation just north of the town of Exeter,” Mike Kistner from the National Weather Service said.

The NWS also received reports of golf ball-sized hail Stratham N.H. from the same storm.

Residents of Portsmouth were told to find a safe room away from windows on the lowest floor of their house. City officials said they had a very limited warning of the storm.

“The city is covered by a black cloud, the wind is blowing that crowd in a northeast direction over the city. As of yet I haven’t seen anything that would be described as a tornado but there has been constant thunder and at least one bolt of lightning,” Acting Portsmouth City Manager Robert Sullivan said.

The tornado warning expired at 4:45 p.m. Thursday afternoon.

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