The National Weather Service has issued a tornado warning this afternoon and a severe thunderstorm alert near Logan Airport.

The NWS posts the warning for “East central Worcester County in central Massachusetts, Central Middlesex County in northeastern Massachusetts.”

The alert warned that “a severe thunderstorm capable of producing a tornado was located over Holden, or near Worcester, moving east at 40 mph” just after 4 p.m. And, in a key addendum, the NWS stated — “Radar indicated rotation.”

The weather service added “Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely.”

The storm will be near Worcester, Shrewsbury, Holden, Northborough, Clinton, Lancaster,

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