The National Weather Service issued an updated weather alert at 6:21 p.m. on Wednesday for strong thunderstorms until 7 p.m. for Hudson, Essex and Union counties.

The storms are packing wind gusts of up to 40 mph and pea-sized hail (0.25 inches).

"At 6:20 p.m., Doppler radar tracked a strong thunderstorm over Plainfield, moving east at 15 mph," says the weather service. "Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible."

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